diff --git a/code/game/atoms_movable.dm b/code/game/atoms_movable.dm
index 104fa066b69..7154b9f47d4 100644
--- a/code/game/atoms_movable.dm
+++ b/code/game/atoms_movable.dm
@@ -16,7 +16,8 @@
 	var/moved_recently = 0
 	var/mob/pulledby = null
 	var/item_state = null // Used to specify the item state for the on-mob overlays.
-	var/icon_scale = 1 // Used to scale icons up or down in update_transform().
+	var/icon_scale_x = 1 // Used to scale icons up or down horizonally in update_transform().
+	var/icon_scale_y = 1 // Used to scale icons up or down vertically in update_transform().
 	var/icon_rotation = 0 // Used to rotate icons in update_transform()
 	var/old_x = 0
 	var/old_y = 0
@@ -476,13 +477,18 @@
 
 /atom/movable/proc/update_transform()
 	var/matrix/M = matrix()
-	M.Scale(icon_scale)
+	M.Scale(icon_scale_x, icon_scale_y)
 	M.Turn(icon_rotation)
 	src.transform = M
 
 // Use this to set the object's scale.
-/atom/movable/proc/adjust_scale(new_scale)
-	icon_scale = new_scale
+/atom/movable/proc/adjust_scale(new_scale_x, new_scale_y)
+	if(isnull(new_scale_y))
+		new_scale_y = new_scale_x
+	if(new_scale_x != 0)
+		icon_scale_x = new_scale_x
+	if(new_scale_y != 0)
+		icon_scale_y = new_scale_y
 	update_transform()
 
 /atom/movable/proc/adjust_rotation(new_rotation)
diff --git a/code/game/objects/structures/flora/trees.dm b/code/game/objects/structures/flora/trees.dm
index 9136db406f9..03657ce45d4 100644
--- a/code/game/objects/structures/flora/trees.dm
+++ b/code/game/objects/structures/flora/trees.dm
@@ -14,11 +14,27 @@
 	var/product_amount = 10 // How much of a stack you get, if the above is defined.
 	var/is_stump = FALSE // If true, suspends damage tracking and most other effects.
 	var/indestructable = FALSE // If true, the tree cannot die.
+	var/randomize_size = FALSE // If true, the tree will choose a random scale in the X and Y directions to stretch.
 
 /obj/structure/flora/tree/Initialize()
 	icon_state = choose_icon_state()
+
+	if(randomize_size)
+		icon_scale_x = rand(90, 125) / 100
+		icon_scale_y = rand(90, 125) / 100
+
+		if(prob(50))
+			icon_scale_x *= -1
+		update_transform()
+
 	return ..()
 
+/obj/structure/flora/tree/update_transform()
+	var/matrix/M = matrix()
+	M.Scale(icon_scale_x, icon_scale_y)
+	M.Translate(0, 16*(icon_scale_y-1))
+	animate(src, transform = M, time = 10)
+
 // Override this for special icons.
 /obj/structure/flora/tree/proc/choose_icon_state()
 	return icon_state
@@ -57,8 +73,11 @@
 /obj/structure/flora/tree/proc/hit_animation()
 	var/init_px = pixel_x
 	var/shake_dir = pick(-1, 1)
-	animate(src, transform=turn(matrix(), shake_animation_degrees * shake_dir), pixel_x=init_px + 2*shake_dir, time=1)
-	animate(transform=null, pixel_x=init_px, time=6, easing=ELASTIC_EASING)
+	var/matrix/M = matrix()
+	M.Scale(icon_scale_x, icon_scale_y)
+	M.Translate(0, 16*(icon_scale_y-1))
+	animate(src, transform=turn(M, shake_animation_degrees * shake_dir), pixel_x=init_px + 2*shake_dir, time=1)
+	animate(transform=M, pixel_x=init_px, time=6, easing=ELASTIC_EASING)
 
 // Used when the tree gets hurt.
 /obj/structure/flora/tree/proc/adjust_health(var/amount, var/damage_wood = FALSE)
@@ -247,13 +266,19 @@
 	base_state = "tree_sif"
 	product = /obj/item/stack/material/log/sif
 	catalogue_data = list(/datum/category_item/catalogue/flora/sif_tree)
+	randomize_size = TRUE
+	var/light_shift = 0
+
+/obj/structure/flora/tree/sif/choose_icon_state()
+	light_shift = rand(0, 5)
+	return "[base_state][light_shift]"
 
 /obj/structure/flora/tree/sif/Initialize()
+	. = ..()
 	update_icon()
-	return ..()
 
 /obj/structure/flora/tree/sif/update_icon()
-	set_light(5, 1, "#33ccff")
-	var/image/glow = image(icon = 'icons/obj/flora/deadtrees.dmi', icon_state = "[base_state]_glow")
+	set_light(5 - light_shift, 1, "#33ccff")	// 5 variants, missing bulbs. 5th has no bulbs, so no glow.
+	var/image/glow = image(icon = icon, icon_state = "[base_state][light_shift]_glow")
 	glow.plane = PLANE_LIGHTING_ABOVE
 	overlays = list(glow)
diff --git a/code/game/objects/structures/loot_piles.dm b/code/game/objects/structures/loot_piles.dm
index c9731a0568c..c94003e9fb8 100644
--- a/code/game/objects/structures/loot_piles.dm
+++ b/code/game/objects/structures/loot_piles.dm
@@ -781,7 +781,8 @@ Loot piles can be depleted, if loot_depleted is turned on.  Note that players wh
 // Todo: Better loot.
 /obj/structure/loot_pile/mecha/gygax/dark/adv
 	icon_state = "darkgygax_adv-broken"
-	icon_scale = 1.5
+	icon_scale_x = 1.5
+	icon_scale_y = 1.5
 	pixel_y = 8
 
 /obj/structure/loot_pile/mecha/gygax/medgax
diff --git a/code/modules/mob/_modifiers/modifiers.dm b/code/modules/mob/_modifiers/modifiers.dm
index 6e738094a12..665ae806170 100644
--- a/code/modules/mob/_modifiers/modifiers.dm
+++ b/code/modules/mob/_modifiers/modifiers.dm
@@ -42,7 +42,8 @@
 	var/accuracy						// Positive numbers makes hitting things with guns easier, negatives make it harder.
 	var/accuracy_dispersion				// Positive numbers make gun firing cover a wider tile range, and therefore more inaccurate.  Negatives help negate dispersion penalties.
 	var/metabolism_percent				// Adjusts the mob's metabolic rate, which affects reagent processing.  Won't affect mobs without reagent processing.
-	var/icon_scale_percent				// Makes the holder's icon get scaled up or down.
+	var/icon_scale_x_percent			// Makes the holder's icon get scaled wider or thinner.
+	var/icon_scale_y_percent			// Makes the holder's icon get scaled taller or shorter.
 	var/attack_speed_percent			// Makes the holder's 'attack speed' (click delay) shorter or longer.
 	var/pain_immunity					// Makes the holder not care about pain while this is on. Only really useful to human mobs.
 	var/pulse_modifier					// Modifier for pulse, will be rounded on application, then added to the normal 'pulse' multiplier which ranges between 0 and 5 normally. Only applied if they're living.
@@ -73,7 +74,7 @@
 	holder.modifiers.Remove(src)
 	if(mob_overlay_state) // We do this after removing ourselves from the list so that the overlay won't remain.
 		holder.update_modifier_visuals()
-	if(icon_scale_percent) // Correct the scaling.
+	if(icon_scale_x_percent || icon_scale_y_percent) // Correct the scaling.
 		holder.update_transform()
 	if(client_color)
 		holder.update_client_color()
@@ -140,7 +141,7 @@
 	mod.on_applied()
 	if(mod.mob_overlay_state)
 		update_modifier_visuals()
-	if(mod.icon_scale_percent)
+	if(mod.icon_scale_x_percent || mod.icon_scale_y_percent)
 		update_transform()
 	if(mod.client_color)
 		update_client_color()
@@ -232,8 +233,11 @@
 		effects += "Your metabolism is [metabolism_percent > 1.0 ? "faster" : "slower"], \
 		causing reagents in your body to process, and hunger to occur [multipler_to_percentage(metabolism_percent, TRUE)] [metabolism_percent > 1.0 ? "faster" : "slower"]."
 
-	if(!isnull(icon_scale_percent))
-		effects += "Your appearance is [multipler_to_percentage(icon_scale_percent, TRUE)] [icon_scale_percent > 1 ? "larger" : "smaller"]."
+	if(!isnull(icon_scale_x_percent))
+		effects += "Your appearance is [multipler_to_percentage(icon_scale_x_percent, TRUE)] [icon_scale_x_percent > 1 ? "wider" : "thinner"]."
+
+	if(!isnull(icon_scale_y_percent))
+		effects += "Your appearance is [multipler_to_percentage(icon_scale_y_percent, TRUE)] [icon_scale_y_percent > 1 ? "taller" : "shorter"]."
 
 	if(!isnull(attack_speed_percent))
 		effects += "The delay between attacking is [multipler_to_percentage(attack_speed_percent, TRUE)] [disable_duration_percent > 1.0 ? "longer" : "shorter"]."
diff --git a/code/modules/mob/_modifiers/modifiers_misc.dm b/code/modules/mob/_modifiers/modifiers_misc.dm
index 7d1ab792fff..e81cf0aaa86 100644
--- a/code/modules/mob/_modifiers/modifiers_misc.dm
+++ b/code/modules/mob/_modifiers/modifiers_misc.dm
@@ -56,7 +56,8 @@ the artifact triggers the rage.
 	outgoing_melee_damage_percent = 1.5		// 50% more damage from melee.
 	max_health_percent = 1.5				// More health as a buffer, however the holder might fall into crit after this expires if they're mortally wounded.
 	disable_duration_percent = 0.25			// Disables only last 25% as long.
-	icon_scale_percent = 1.2				// Look scarier.
+	icon_scale_x_percent = 1.2				// Look scarier.
+	icon_scale_y_percent = 1.2
 	pain_immunity = TRUE					// Avoid falling over from shock (at least until it expires).
 
 	// The less good stuff.
diff --git a/code/modules/mob/_modifiers/traits.dm b/code/modules/mob/_modifiers/traits.dm
index d0b0abfd895..200f8eabfbc 100644
--- a/code/modules/mob/_modifiers/traits.dm
+++ b/code/modules/mob/_modifiers/traits.dm
@@ -64,25 +64,29 @@
 	name = "Larger"
 	desc = "Your body is larger than average."
 
-	icon_scale_percent = 1.1
+	icon_scale_x_percent = 1.1
+	icon_scale_y_percent = 1.1
 
 /datum/modifier/trait/large
 	name = "Large"
 	desc = "Your body is a bit larger than average."
 
-	icon_scale_percent = 1.05
+	icon_scale_x_percent = 1.05
+	icon_scale_y_percent = 1.05
 
 /datum/modifier/trait/small
 	name = "Small"
 	desc = "Your body is a bit smaller than average."
 
-	icon_scale_percent = 0.95
+	icon_scale_x_percent = 0.95
+	icon_scale_y_percent = 0.95
 
 /datum/modifier/trait/smaller
 	name = "Smaller"
 	desc = "Your body is smaller than average."
 
-	icon_scale_percent = 0.9
+	icon_scale_x_percent = 0.9
+	icon_scale_y_percent = 0.9
 
 /datum/modifier/trait/colorblind_protanopia
 	name = "Protanopia"
diff --git a/code/modules/mob/_modifiers/unholy.dm b/code/modules/mob/_modifiers/unholy.dm
index 0eadabc83a9..0b6f69a21b9 100644
--- a/code/modules/mob/_modifiers/unholy.dm
+++ b/code/modules/mob/_modifiers/unholy.dm
@@ -14,7 +14,8 @@
 
 	disable_duration_percent = 0.25			// Disables only last 25% as long.
 	incoming_damage_percent = 0.5			// 50% incoming damage.
-	icon_scale_percent = 1.2				// Become a bigger target.
+	icon_scale_x_percent = 1.2				// Become a bigger target.
+	icon_scale_y_percent = 1.2
 	pain_immunity = TRUE
 
 	slowdown = 2
diff --git a/code/modules/mob/living/carbon/human/human.dm b/code/modules/mob/living/carbon/human/human.dm
index 90c8f40ec05..eb4931db899 100644
--- a/code/modules/mob/living/carbon/human/human.dm
+++ b/code/modules/mob/living/carbon/human/human.dm
@@ -1139,8 +1139,13 @@
 	if(species.default_language)
 		add_language(species.default_language)
 
+<<<<<<< HEAD
 	//if(species.icon_scale != 1)	//VOREStation Removal
 	//	update_transform()			//VOREStation Removal
+=======
+	if(species.icon_scale_x != 1 || species.icon_scale_y != 1)
+		update_transform()
+>>>>>>> ef7568a... Merge pull request #6154 from Mechoid/Sif_Tree_Expansion
 
 	if(example)						//VOREStation Edit begin
 		if(!(example == src))
diff --git a/code/modules/mob/living/carbon/human/species/species.dm b/code/modules/mob/living/carbon/human/species/species.dm
index 95f909950c2..c2bb8cafe4f 100644
--- a/code/modules/mob/living/carbon/human/species/species.dm
+++ b/code/modules/mob/living/carbon/human/species/species.dm
@@ -32,7 +32,8 @@
 	var/tail_animation										// If set, the icon to obtain tail animation states from.
 	var/tail_hair
 
-	var/icon_scale = 1										// Makes the icon larger/smaller.
+	var/icon_scale_x = 1										// Makes the icon wider/thinner.
+	var/icon_scale_y = 1										// Makes the icon taller/shorter.
 
 	var/race_key = 0										// Used for mob icon cache string.
 	var/icon/icon_template									// Used for mob icon generation for non-32x32 species.
diff --git a/code/modules/mob/living/carbon/human/update_icons.dm b/code/modules/mob/living/carbon/human/update_icons.dm
index 6b8861d8ab2..74839506d76 100644
--- a/code/modules/mob/living/carbon/human/update_icons.dm
+++ b/code/modules/mob/living/carbon/human/update_icons.dm
@@ -124,16 +124,25 @@ var/global/list/damage_icon_parts = list() //see UpdateDamageIcon()
 /mob/living/carbon/human/update_transform()
 	/* VOREStation Edit START - TODO - Consider switching to icon_scale
 	// First, get the correct size.
-	var/desired_scale = icon_scale
+	var/desired_scale_x = icon_scale_x
+	var/desired_scale_y = icon_scale_y
 
-	desired_scale *= species.icon_scale
+	desired_scale_x *= species.icon_scale_x
+	desired_scale_y *= species.icon_scale_y
 
 	for(var/datum/modifier/M in modifiers)
+<<<<<<< HEAD
 		if(!isnull(M.icon_scale_percent))
 			desired_scale *= M.icon_scale_percent
 	*/
 	var/desired_scale = size_multiplier
 	//VOREStation Edit End
+=======
+		if(!isnull(M.icon_scale_x_percent))
+			desired_scale_x *= M.icon_scale_x_percent
+		if(!isnull(M.icon_scale_y_percent))
+			desired_scale_y *= M.icon_scale_y_percent
+>>>>>>> ef7568a... Merge pull request #6154 from Mechoid/Sif_Tree_Expansion
 
 	// Regular stuff again.
 	var/matrix/M = matrix()
@@ -145,12 +154,12 @@ var/global/list/damage_icon_parts = list() //see UpdateDamageIcon()
 
 	if(lying && !species.prone_icon) //Only rotate them if we're not drawing a specific icon for being prone.
 		M.Turn(90)
-		M.Scale(desired_scale)
+		M.Scale(desired_scale_x, desired_scale_y)
 		M.Translate(1,-6)
 		layer = MOB_LAYER -0.01 // Fix for a byond bug where turf entry order no longer matters
 	else
-		M.Scale(desired_scale)
-		M.Translate(0, 16*(desired_scale-1))
+		M.Scale(desired_scale_x, desired_scale_y)
+		M.Translate(0, 16*(desired_scale_y-1))
 		layer = MOB_LAYER // Fix for a byond bug where turf entry order no longer matters
 
 	animate(src, transform = M, time = anim_time)
diff --git a/code/modules/mob/living/living.dm b/code/modules/mob/living/living.dm
index 4020f13d140..a6308ac2738 100644
--- a/code/modules/mob/living/living.dm
+++ b/code/modules/mob/living/living.dm
@@ -1174,18 +1174,31 @@ default behaviour is:
 
 /mob/living/update_transform()
 	// First, get the correct size.
+<<<<<<< HEAD
 	var/desired_scale = size_multiplier //VOREStation edit
+=======
+	var/desired_scale_x = icon_scale_x
+	var/desired_scale_y = icon_scale_y
+>>>>>>> ef7568a... Merge pull request #6154 from Mechoid/Sif_Tree_Expansion
 	for(var/datum/modifier/M in modifiers)
-		if(!isnull(M.icon_scale_percent))
-			desired_scale *= M.icon_scale_percent
+		if(!isnull(M.icon_scale_x_percent))
+			desired_scale_x *= M.icon_scale_x_percent
+		if(!isnull(M.icon_scale_y_percent))
+			desired_scale_y *= M.icon_scale_y_percent
 
 	// Now for the regular stuff.
 	var/matrix/M = matrix()
+<<<<<<< HEAD
 	M.Scale(desired_scale)
 	M.Translate(0, 16*(desired_scale-1))
 	src.transform = M
 	//animate(src, transform = M, time = 10) //VOREStation edit
 
+=======
+	M.Scale(desired_scale_x, desired_scale_y)
+	M.Translate(0, 16*(desired_scale_y-1))
+	animate(src, transform = M, time = 10)
+>>>>>>> ef7568a... Merge pull request #6154 from Mechoid/Sif_Tree_Expansion
 
 // This handles setting the client's color variable, which makes everything look a specific color.
 // This proc is here so it can be called without needing to check if the client exists, or if the client relogs.
diff --git a/code/modules/mob/living/simple_animal/slime/subtypes.dm b/code/modules/mob/living/simple_animal/slime/subtypes.dm
new file mode 100644
index 00000000000..18b43dc33c9
--- /dev/null
+++ b/code/modules/mob/living/simple_animal/slime/subtypes.dm
@@ -0,0 +1,748 @@
+// Tier 1
+
+/mob/living/simple_animal/slime/purple
+	desc = "This slime is rather toxic to handle, as it is poisonous."
+	color = "#CC23FF"
+	slime_color = "purple"
+	coretype = /obj/item/slime_extract/purple
+	reagent_injected = "toxin"
+
+	description_info = "This slime spreads a toxin when it attacks.  A biosuit or other thick armor can protect from the toxic attack."
+
+	slime_mutation = list(
+			/mob/living/simple_animal/slime/dark_purple,
+			/mob/living/simple_animal/slime/dark_blue,
+			/mob/living/simple_animal/slime/green,
+			/mob/living/simple_animal/slime
+		)
+
+
+/mob/living/simple_animal/slime/orange
+	desc = "This slime is known to be flammable and can ignite enemies."
+	color = "#FFA723"
+	slime_color = "orange"
+	coretype = /obj/item/slime_extract/orange
+
+	description_info = "Attacks from this slime can ignite you.  A firesuit can protect from the burning attacks of this slime."
+
+	slime_mutation = list(
+			/mob/living/simple_animal/slime/dark_purple,
+			/mob/living/simple_animal/slime/yellow,
+			/mob/living/simple_animal/slime/red,
+			/mob/living/simple_animal/slime
+		)
+
+/mob/living/simple_animal/slime/orange/post_attack(mob/living/L, intent)
+	if(intent != I_HELP)
+		L.adjust_fire_stacks(1)
+		if(prob(25))
+			L.IgniteMob()
+	..()
+
+/mob/living/simple_animal/slime/blue
+	desc = "This slime produces 'cryotoxin' and uses it against their foes.  Very deadly to other slimes."
+	color = "#19FFFF"
+	slime_color = "blue"
+	coretype = /obj/item/slime_extract/blue
+	reagent_injected = "cryotoxin"
+
+	description_info = "Attacks from this slime can chill you.  A biosuit or other thick armor can protect from the chilling attack."
+
+	slime_mutation = list(
+			/mob/living/simple_animal/slime/dark_blue,
+			/mob/living/simple_animal/slime/silver,
+			/mob/living/simple_animal/slime/pink,
+			/mob/living/simple_animal/slime
+		)
+
+
+/mob/living/simple_animal/slime/metal
+	desc = "This slime is a lot more resilient than the others, due to having a metamorphic metallic and sloped surface."
+	color = "#5F5F5F"
+	slime_color = "metal"
+	shiny = 1
+	coretype = /obj/item/slime_extract/metal
+
+	description_info = "This slime is a lot more durable and tough to damage than the others."
+
+	resistance = 10 // Sloped armor is strong.
+	maxHealth = 250
+	maxHealth_adult = 350
+
+	slime_mutation = list(
+			/mob/living/simple_animal/slime/silver,
+			/mob/living/simple_animal/slime/yellow,
+			/mob/living/simple_animal/slime/gold,
+			/mob/living/simple_animal/slime
+		)
+
+// Tier 2
+
+/mob/living/simple_animal/slime/yellow
+	desc = "This slime is very conductive, and is known to use electricity as a means of defense moreso than usual for slimes."
+	color = "#FFF423"
+	slime_color = "yellow"
+	coretype = /obj/item/slime_extract/yellow
+
+	ranged = 1
+	shoot_range = 3
+	firing_lines = 1
+	projectiletype = /obj/item/projectile/beam/lightning/slime
+	projectilesound = 'sound/weapons/gauss_shoot.ogg' // Closest thing to a 'thunderstrike' sound we have.
+	glows = TRUE
+
+	description_info = "This slime will fire lightning attacks at enemies if they are at range, and generate electricity \
+	for their stun attack faster than usual.  Insulative or reflective armor can protect from the lightning."
+
+	slime_mutation = list(
+			/mob/living/simple_animal/slime/bluespace,
+			/mob/living/simple_animal/slime/bluespace,
+			/mob/living/simple_animal/slime/metal,
+			/mob/living/simple_animal/slime/orange
+		)
+
+/mob/living/simple_animal/slime/yellow/handle_regular_status_updates()
+	if(stat == CONSCIOUS)
+		if(prob(25))
+			power_charge = between(0, power_charge + 1, 10)
+	..()
+
+/obj/item/projectile/beam/lightning/slime
+	power = 15
+
+/mob/living/simple_animal/slime/yellow/ClosestDistance() // Needed or else they won't eat monkeys outside of melee range.
+	if(target_mob && ishuman(target_mob))
+		var/mob/living/carbon/human/H = target_mob
+		if(istype(H.species, /datum/species/monkey))
+			return 1
+	return ..()
+
+
+/mob/living/simple_animal/slime/dark_purple
+	desc = "This slime produces ever-coveted phoron.  Risky to handle but very much worth it."
+	color = "#660088"
+	slime_color = "dark purple"
+	coretype = /obj/item/slime_extract/dark_purple
+	reagent_injected = "phoron"
+
+	description_info = "This slime applies phoron to enemies it attacks.  A biosuit or other thick armor can protect from the toxic attack.  \
+	If hit with a burning attack, it will erupt in flames."
+
+	slime_mutation = list(
+			/mob/living/simple_animal/slime/purple,
+			/mob/living/simple_animal/slime/orange,
+			/mob/living/simple_animal/slime/ruby,
+			/mob/living/simple_animal/slime/ruby
+		)
+
+/mob/living/simple_animal/slime/dark_purple/proc/ignite()
+	visible_message("<span class='danger'>\The [src] erupts in an inferno!</span>")
+	for(var/turf/simulated/target_turf in view(2, src))
+		target_turf.assume_gas("phoron", 30, 1500+T0C)
+		spawn(0)
+			target_turf.hotspot_expose(1500+T0C, 400)
+	qdel(src)
+
+/mob/living/simple_animal/slime/dark_purple/ex_act(severity)
+	log_and_message_admins("[src] ignited due to a chain reaction with an explosion.")
+	ignite()
+
+/mob/living/simple_animal/slime/dark_purple/fire_act(datum/gas_mixture/air, temperature, volume)
+	log_and_message_admins("[src] ignited due to exposure to fire.")
+	ignite()
+
+/mob/living/simple_animal/slime/dark_purple/bullet_act(var/obj/item/projectile/P, var/def_zone)
+	if(P.damage_type && P.damage_type == BURN && P.damage) // Most bullets won't trigger the explosion, as a mercy towards Security.
+		log_and_message_admins("[src] ignited due to bring hit by a burning projectile[P.firer ? " by [key_name(P.firer)]" : ""].")
+		ignite()
+	else
+		..()
+
+/mob/living/simple_animal/slime/dark_purple/attackby(var/obj/item/weapon/W, var/mob/user)
+	if(istype(W) && W.force && W.damtype == BURN)
+		log_and_message_admins("[src] ignited due to being hit with a burning weapon ([W]) by [key_name(user)].")
+		ignite()
+	else
+		..()
+
+
+
+
+/mob/living/simple_animal/slime/dark_blue
+	desc = "This slime makes other entities near it feel much colder, and is more resilient to the cold.  It tends to kill other slimes rather quickly."
+	color = "#2398FF"
+	glows = TRUE
+	slime_color = "dark blue"
+	coretype = /obj/item/slime_extract/dark_blue
+
+	description_info = "This slime is immune to the cold, however water will still kill it.  A winter coat or other cold-resistant clothing can protect from the chilling aura."
+
+	slime_mutation = list(
+			/mob/living/simple_animal/slime/purple,
+			/mob/living/simple_animal/slime/blue,
+			/mob/living/simple_animal/slime/cerulean,
+			/mob/living/simple_animal/slime/cerulean
+		)
+
+	minbodytemp = 0
+	cold_damage_per_tick = 0
+
+/mob/living/simple_animal/slime/dark_blue/Life()
+	if(stat != DEAD)
+		cold_aura()
+	..()
+
+/mob/living/simple_animal/slime/dark_blue/proc/cold_aura()
+	for(var/mob/living/L in view(2, src))
+		var/protection = L.get_cold_protection()
+
+		if(protection < 1)
+			var/cold_factor = abs(protection - 1)
+			var/delta = -20
+			delta *= cold_factor
+			L.bodytemperature = max(50, L.bodytemperature + delta)
+	var/turf/T = get_turf(src)
+	var/datum/gas_mixture/env = T.return_air()
+	if(env)
+		env.add_thermal_energy(-10 * 1000)
+
+/mob/living/simple_animal/slime/dark_blue/get_cold_protection()
+	return 1 // This slime is immune to cold.
+
+// Surface variant
+/mob/living/simple_animal/slime/dark_blue/feral
+	name = "feral slime"
+	desc = "The result of slimes escaping containment from some xenobiology lab. The slime makes other entities near it feel much colder, \
+	and it is more resilient to the cold. These qualities have made this color of slime able to thrive on a harsh, cold world and is able to rival \
+	the ferocity of other apex predators in this region of Sif. As such, it is a very invasive species."
+	description_info = "This slime makes other entities near it feel much colder, and is more resilient to the cold. It also has learned advanced combat tactics from \
+	having to endure the harsh world outside its lab. Note that processing this large slime will give six cores."
+	icon_scale_x = 2
+	icon_scale_y = 2
+	optimal_combat = TRUE // Gotta be sharp to survive out there.
+	rabid = TRUE
+	rainbow_core_candidate = FALSE
+	cores = 6
+	maxHealth = 150
+	maxHealth_adult = 250
+	type_on_death = /mob/living/simple_animal/slime/dark_blue // Otherwise infinite slimes might occur.
+	pixel_y = -10 // Since the base sprite isn't centered properly, the pixel auto-adjustment needs some help.
+
+/mob/living/simple_animal/slime/dark_blue/feral/New()
+	..()
+	make_adult()
+
+/mob/living/simple_animal/slime/silver
+	desc = "This slime is shiny, and can deflect lasers or other energy weapons directed at it."
+	color = "#AAAAAA"
+	slime_color = "silver"
+	coretype = /obj/item/slime_extract/silver
+	shiny = TRUE
+
+	description_info = "Tasers, including the slime version, are ineffective against this slime.  The slimebation still works."
+
+	slime_mutation = list(
+			/mob/living/simple_animal/slime/metal,
+			/mob/living/simple_animal/slime/blue,
+			/mob/living/simple_animal/slime/amber,
+			/mob/living/simple_animal/slime/amber
+		)
+
+/mob/living/simple_animal/slime/silver/bullet_act(var/obj/item/projectile/P, var/def_zone)
+	if(istype(P,/obj/item/projectile/beam) || istype(P, /obj/item/projectile/energy))
+		visible_message("<span class='danger'>\The [src] reflects \the [P]!</span>")
+
+		// Find a turf near or on the original location to bounce to
+		var/new_x = P.starting.x + pick(0, 0, 0, -1, 1, -2, 2)
+		var/new_y = P.starting.y + pick(0, 0, 0, -1, 1, -2, 2)
+		var/turf/curloc = get_turf(src)
+
+		// redirect the projectile
+		P.redirect(new_x, new_y, curloc, src)
+		return PROJECTILE_CONTINUE // complete projectile permutation
+	else
+		..()
+
+
+// Tier 3
+
+/mob/living/simple_animal/slime/bluespace
+	desc = "Trapping this slime in a cell is generally futile, as it can teleport at will."
+	color = null
+	slime_color = "bluespace"
+	icon_state_override = "bluespace"
+	coretype = /obj/item/slime_extract/bluespace
+
+	description_info = "This slime will teleport to attack something if it is within a range of seven tiles.  The teleport has a cooldown of five seconds."
+
+	slime_mutation = list(
+			/mob/living/simple_animal/slime/bluespace,
+			/mob/living/simple_animal/slime/bluespace,
+			/mob/living/simple_animal/slime/yellow,
+			/mob/living/simple_animal/slime/yellow
+		)
+
+	spattack_prob = 100
+	spattack_min_range = 3
+	spattack_max_range = 7
+	var/last_tele = null // Uses world.time
+	var/tele_cooldown = 5 SECONDS
+
+/mob/living/simple_animal/slime/bluespace/ClosestDistance() // Needed or the SA AI won't ever try to teleport.
+	if(world.time > last_tele + tele_cooldown)
+		return spattack_max_range - 1
+	return ..()
+
+/mob/living/simple_animal/slime/bluespace/SpecialAtkTarget()
+	// Teleport attack.
+	if(!target_mob)
+		to_chat(src, "<span class='warning'>There's nothing to teleport to.</span>")
+		return FALSE
+
+	if(world.time < last_tele + tele_cooldown)
+		to_chat(src, "<span class='warning'>You can't teleport right now, wait a few seconds.</span>")
+		return FALSE
+
+	var/list/nearby_things = range(1, target_mob)
+	var/list/valid_turfs = list()
+
+	// All this work to just go to a non-dense tile.
+	for(var/turf/potential_turf in nearby_things)
+		var/valid_turf = TRUE
+		if(potential_turf.density)
+			continue
+		for(var/atom/movable/AM in potential_turf)
+			if(AM.density)
+				valid_turf = FALSE
+		if(valid_turf)
+			valid_turfs.Add(potential_turf)
+
+
+
+	var/turf/T = get_turf(src)
+	var/turf/target_turf = pick(valid_turfs)
+
+	if(!target_turf)
+		to_chat(src, "<span class='warning'>There wasn't an unoccupied spot to teleport to.</span>")
+		return FALSE
+
+	var/datum/effect/effect/system/spark_spread/s1 = new /datum/effect/effect/system/spark_spread
+	s1.set_up(5, 1, T)
+	var/datum/effect/effect/system/spark_spread/s2 = new /datum/effect/effect/system/spark_spread
+	s2.set_up(5, 1, target_turf)
+
+
+	T.visible_message("<span class='notice'>\The [src] vanishes!</span>")
+	s1.start()
+
+	forceMove(target_turf)
+	playsound(target_turf, 'sound/effects/phasein.ogg', 50, 1)
+	to_chat(src, "<span class='notice'>You teleport to \the [target_turf].</span>")
+
+	target_turf.visible_message("<span class='warning'>\The [src] appears!</span>")
+	s2.start()
+
+	last_tele = world.time
+
+	if(Adjacent(target_mob))
+		PunchTarget()
+	return TRUE
+
+/mob/living/simple_animal/slime/ruby
+	desc = "This slime has great physical strength."
+	color = "#FF3333"
+	slime_color = "ruby"
+	shiny = TRUE
+	glows = TRUE
+	coretype = /obj/item/slime_extract/ruby
+
+	description_info = "This slime is unnaturally stronger, allowing it to hit much harder, take less damage, and be stunned for less time.  \
+	Their glomp attacks also send the victim flying."
+
+	slime_mutation = list(
+		/mob/living/simple_animal/slime/dark_purple,
+		/mob/living/simple_animal/slime/dark_purple,
+		/mob/living/simple_animal/slime/ruby,
+		/mob/living/simple_animal/slime/ruby
+	)
+
+/mob/living/simple_animal/slime/ruby/New()
+	..()
+	add_modifier(/datum/modifier/slime_strength, null, src) // Slime is always swole.
+
+/mob/living/simple_animal/slime/ruby/DoPunch(var/mob/living/L)
+	..() // Do regular attacks.
+
+	if(istype(L))
+		if(a_intent == I_HURT)
+			visible_message("<span class='danger'>\The [src] sends \the [L] flying with the impact!</span>")
+			playsound(src, "punch", 50, 1)
+			L.Weaken(1)
+			var/throwdir = get_dir(src, L)
+			L.throw_at(get_edge_target_turf(L, throwdir), 3, 1, src)
+
+
+/mob/living/simple_animal/slime/amber
+	desc = "This slime seems to be an expert in the culinary arts, as they create their own food to share with others.  \
+	They would probably be very important to other slimes, if the other colors didn't try to kill them."
+	color = "#FFBB00"
+	slime_color = "amber"
+	shiny = TRUE
+	glows = TRUE
+	coretype = /obj/item/slime_extract/amber
+
+	description_info = "This slime feeds nearby entities passively while it is alive.  This can cause uncontrollable \
+	slime growth and reproduction if not kept in check.  The amber slime cannot feed itself, but can be fed by other amber slimes."
+
+	slime_mutation = list(
+		/mob/living/simple_animal/slime/silver,
+		/mob/living/simple_animal/slime/silver,
+		/mob/living/simple_animal/slime/amber,
+		/mob/living/simple_animal/slime/amber
+	)
+
+/mob/living/simple_animal/slime/amber/Life()
+	if(stat != DEAD)
+		feed_aura()
+	..()
+
+/mob/living/simple_animal/slime/amber/proc/feed_aura()
+	for(var/mob/living/L in view(2, src))
+		if(L == src) // Don't feed themselves, or it is impossible to stop infinite slimes without killing all of the ambers.
+			continue
+		if(isslime(L))
+			var/mob/living/simple_animal/slime/S = L
+			S.adjust_nutrition(rand(15, 25))
+		if(ishuman(L))
+			var/mob/living/carbon/human/H = L
+			if(H.isSynthetic())
+				continue
+			H.nutrition = between(0, H.nutrition + rand(15, 25), 600)
+
+
+
+/mob/living/simple_animal/slime/cerulean
+	desc = "This slime is generally superior in a wide range of attributes, compared to the common slime.  The jack of all trades, but master of none."
+	color = "#4F7EAA"
+	slime_color = "cerulean"
+	coretype = /obj/item/slime_extract/cerulean
+
+	// Less than the specialized slimes, but higher than the rest.
+	maxHealth = 200
+	maxHealth_adult = 250
+
+	melee_damage_lower = 10
+	melee_damage_upper = 30
+
+	move_to_delay = 3
+
+
+
+	slime_mutation = list(
+		/mob/living/simple_animal/slime/dark_blue,
+		/mob/living/simple_animal/slime/dark_blue,
+		/mob/living/simple_animal/slime/cerulean,
+		/mob/living/simple_animal/slime/cerulean
+	)
+
+// Tier 4
+
+/mob/living/simple_animal/slime/red
+	desc = "This slime is full of energy, and very aggressive.  'The red ones go faster.' seems to apply here."
+	color = "#FF3333"
+	slime_color = "red"
+	coretype = /obj/item/slime_extract/red
+	move_to_delay = 3 // The red ones go faster.
+
+	description_info = "This slime is faster than the others.  Attempting to discipline this slime will always cause it to go berserk."
+
+	slime_mutation = list(
+			/mob/living/simple_animal/slime/red,
+			/mob/living/simple_animal/slime/oil,
+			/mob/living/simple_animal/slime/oil,
+			/mob/living/simple_animal/slime/orange
+		)
+
+
+/mob/living/simple_animal/slime/red/adjust_discipline(amount)
+	if(amount > 0)
+		if(!rabid)
+			enrage() // How dare you try to control the red slime.
+			say("Grrr...!")
+
+/mob/living/simple_animal/slime/red/enrage()
+	..()
+	add_modifier(/datum/modifier/berserk, 30 SECONDS)
+
+
+/mob/living/simple_animal/slime/green
+	desc = "This slime is radioactive."
+	color = "#14FF20"
+	slime_color = "green"
+	coretype = /obj/item/slime_extract/green
+	glows = TRUE
+	reagent_injected = "radium"
+	var/rads = 25
+
+	description_info = "This slime will irradiate anything nearby passively, and will inject radium on attack.  \
+	A radsuit or other thick and radiation-hardened armor can protect from this.  It will only radiate while alive."
+
+	slime_mutation = list(
+			/mob/living/simple_animal/slime/purple,
+			/mob/living/simple_animal/slime/green,
+			/mob/living/simple_animal/slime/emerald,
+			/mob/living/simple_animal/slime/emerald
+		)
+
+/mob/living/simple_animal/slime/green/Life()
+	if(stat != DEAD)
+		irradiate()
+	..()
+
+/mob/living/simple_animal/slime/green/proc/irradiate()
+	radiation_repository.radiate(src, rads)
+
+
+/mob/living/simple_animal/slime/pink
+	desc = "This slime has regenerative properties."
+	color = "#FF0080"
+	slime_color = "pink"
+	coretype = /obj/item/slime_extract/pink
+	glows = TRUE
+
+	description_info = "This slime will passively heal nearby entities within two tiles, including itself.  It will only do this while alive."
+
+	slime_mutation = list(
+			/mob/living/simple_animal/slime/blue,
+			/mob/living/simple_animal/slime/light_pink,
+			/mob/living/simple_animal/slime/light_pink,
+			/mob/living/simple_animal/slime/pink
+		)
+
+/mob/living/simple_animal/slime/pink/Life()
+	if(stat != DEAD)
+		heal_aura()
+	..()
+
+/mob/living/simple_animal/slime/pink/proc/heal_aura()
+	for(var/mob/living/L in view(src, 2))
+		if(L.stat == DEAD || L == target_mob)
+			continue
+		L.add_modifier(/datum/modifier/slime_heal, 5 SECONDS, src)
+
+/datum/modifier/slime_heal
+	name = "slime mending"
+	desc = "You feel somewhat gooy."
+	mob_overlay_state = "pink_sparkles"
+
+	on_created_text = "<span class='warning'>Twinkling spores of goo surround you.  It makes you feel healthier.</span>"
+	on_expired_text = "<span class='notice'>The spores of goo have faded, although you feel much healthier than before.</span>"
+	stacks = MODIFIER_STACK_EXTEND
+
+/datum/modifier/slime_heal/tick()
+	if(holder.stat == DEAD) // Required or else simple animals become immortal.
+		expire()
+
+	if(ishuman(holder)) // Robolimbs need this code sadly.
+		var/mob/living/carbon/human/H = holder
+		for(var/obj/item/organ/external/E in H.organs)
+			var/obj/item/organ/external/O = E
+			O.heal_damage(2, 2, 0, 1)
+	else
+		holder.adjustBruteLoss(-2)
+		holder.adjustFireLoss(-2)
+
+	holder.adjustToxLoss(-2)
+	holder.adjustOxyLoss(-2)
+	holder.adjustCloneLoss(-1)
+
+
+
+/mob/living/simple_animal/slime/gold
+	desc = "This slime absorbs energy, and cannot be stunned by normal means."
+	color = "#EEAA00"
+	shiny = TRUE
+	slime_color = "gold"
+	coretype = /obj/item/slime_extract/gold
+	description_info = "This slime is immune to the slimebaton and taser, and will actually charge the slime, however it will still discipline the slime."
+
+	slime_mutation = list(
+			/mob/living/simple_animal/slime/metal,
+			/mob/living/simple_animal/slime/gold,
+			/mob/living/simple_animal/slime/sapphire,
+			/mob/living/simple_animal/slime/sapphire
+		)
+
+/mob/living/simple_animal/slime/gold/Weaken(amount)
+	power_charge = between(0, power_charge + amount, 10)
+	return
+
+/mob/living/simple_animal/slime/gold/Stun(amount)
+	power_charge = between(0, power_charge + amount, 10)
+	return
+
+/mob/living/simple_animal/slime/gold/get_description_interaction() // So it doesn't say to use a baton on them.
+	return list()
+
+
+// Tier 5
+
+/mob/living/simple_animal/slime/oil
+	desc = "This slime is explosive and volatile.  Smoking near it is probably a bad idea."
+	color = "#333333"
+	slime_color = "oil"
+	shiny = TRUE
+	coretype = /obj/item/slime_extract/oil
+
+	description_info = "If this slime suffers damage from a fire or heat based source, or if it is caught inside \
+	an explosion, it will explode.  Rabid oil slimes will charge at enemies, then suicide-bomb themselves.  \
+	Bomb suits can protect from the explosion."
+
+	slime_mutation = list(
+		/mob/living/simple_animal/slime/oil,
+		/mob/living/simple_animal/slime/oil,
+		/mob/living/simple_animal/slime/red,
+		/mob/living/simple_animal/slime/red
+	)
+
+/mob/living/simple_animal/slime/oil/proc/explode()
+	if(stat != DEAD)
+	//	explosion(src.loc, 1, 2, 4)
+		explosion(src.loc, 0, 2, 4) // A bit weaker since the suicide charger tended to gib the poor sod being targeted.
+		if(src) // Delete ourselves if the explosion didn't do it.
+			qdel(src)
+
+/mob/living/simple_animal/slime/oil/post_attack(var/mob/living/L, var/intent = I_HURT)
+	if(!rabid)
+		return ..()
+	if(intent == I_HURT || intent == I_GRAB)
+		say(pick("Sacrifice...!", "Sssss...", "Boom...!"))
+		sleep(2 SECOND)
+		log_and_message_admins("[src] has suicide-bombed themselves while trying to kill \the [L].")
+		explode()
+
+/mob/living/simple_animal/slime/oil/ex_act(severity)
+	log_and_message_admins("[src] exploded due to a chain reaction with another explosion.")
+	explode()
+
+/mob/living/simple_animal/slime/oil/fire_act(datum/gas_mixture/air, temperature, volume)
+	log_and_message_admins("[src] exploded due to exposure to fire.")
+	explode()
+
+/mob/living/simple_animal/slime/oil/bullet_act(var/obj/item/projectile/P, var/def_zone)
+	if(P.damage_type && P.damage_type == BURN && P.damage) // Most bullets won't trigger the explosion, as a mercy towards Security.
+		log_and_message_admins("[src] exploded due to bring hit by a burning projectile[P.firer ? " by [key_name(P.firer)]" : ""].")
+		explode()
+	else
+		..()
+
+/mob/living/simple_animal/slime/oil/attackby(var/obj/item/weapon/W, var/mob/user)
+	if(istype(W) && W.force && W.damtype == BURN)
+		log_and_message_admins("[src] exploded due to being hit with a burning weapon ([W]) by [key_name(user)].")
+		explode()
+	else
+		..()
+
+
+/mob/living/simple_animal/slime/sapphire
+	desc = "This slime seems a bit brighter than the rest, both figuratively and literally."
+	color = "#2398FF"
+	slime_color = "sapphire"
+	shiny = TRUE
+	glows = TRUE
+	coretype = /obj/item/slime_extract/sapphire
+
+	optimal_combat = TRUE	// Lift combat AI restrictions to look smarter.
+	run_at_them = FALSE		// Use fancy A* pathing.
+	astar_adjacent_proc = /turf/proc/TurfsWithAccess // Normal slimes don't care about cardinals (because BYOND) so smart slimes shouldn't as well.
+	move_to_delay = 3		// A* chasing is slightly slower in terms of movement speed than regular pathing so reducing this hopefully makes up for that.
+
+	description_info = "This slime uses more robust tactics when fighting and won't hold back, so it is dangerous to be alone \
+	with one if hostile, and especially dangerous if they outnumber you."
+
+	slime_mutation = list(
+		/mob/living/simple_animal/slime/sapphire,
+		/mob/living/simple_animal/slime/sapphire,
+		/mob/living/simple_animal/slime/gold,
+		/mob/living/simple_animal/slime/gold
+	)
+
+/mob/living/simple_animal/slime/emerald
+	desc = "This slime is faster than usual, even more so than the red slimes."
+	color = "#22FF22"
+	shiny = TRUE
+	glows = TRUE
+	slime_color = "emerald"
+	coretype = /obj/item/slime_extract/emerald
+
+	description_info = "This slime will make everything around it, and itself, faster for a few seconds, if close by."
+	move_to_delay = 2
+
+	slime_mutation = list(
+		/mob/living/simple_animal/slime/green,
+		/mob/living/simple_animal/slime/green,
+		/mob/living/simple_animal/slime/emerald,
+		/mob/living/simple_animal/slime/emerald
+	)
+
+/mob/living/simple_animal/slime/emerald/Life()
+	if(stat != DEAD)
+		zoom_aura()
+	..()
+
+/mob/living/simple_animal/slime/emerald/proc/zoom_aura()
+	for(var/mob/living/L in view(src, 2))
+		if(L.stat == DEAD || L == target_mob)
+			continue
+		L.add_modifier(/datum/modifier/technomancer/haste, 5 SECONDS, src)
+
+/mob/living/simple_animal/slime/light_pink
+	desc = "This slime seems a lot more peaceful than the others."
+	color = "#FF8888"
+	slime_color = "light pink"
+	coretype = /obj/item/slime_extract/light_pink
+
+	description_info = "This slime is effectively always disciplined initially."
+	obedience = 5
+	discipline = 5
+
+	slime_mutation = list(
+		/mob/living/simple_animal/slime/pink,
+		/mob/living/simple_animal/slime/pink,
+		/mob/living/simple_animal/slime/light_pink,
+		/mob/living/simple_animal/slime/light_pink
+	)
+
+// Special
+/mob/living/simple_animal/slime/rainbow
+	desc = "This slime changes colors constantly."
+	color = null // Only slime subtype that uses a different icon_state.
+	slime_color = "rainbow"
+	coretype = /obj/item/slime_extract/rainbow
+	icon_state_override = "rainbow"
+	unity = TRUE
+
+	description_info = "This slime is considered to be the same color as all other slime colors at the same time for the purposes of \
+	other slimes being friendly to them, and therefore will never be harmed by another slime.  \
+	Attacking this slime will provoke the wrath of all slimes within range."
+
+	slime_mutation = list(
+		/mob/living/simple_animal/slime/rainbow,
+		/mob/living/simple_animal/slime/rainbow,
+		/mob/living/simple_animal/slime/rainbow,
+		/mob/living/simple_animal/slime/rainbow
+	)
+
+/mob/living/simple_animal/slime/rainbow/New()
+	unify()
+	..()
+
+// The RD's pet slime.
+/mob/living/simple_animal/slime/rainbow/kendrick
+	name = "Kendrick"
+	desc = "The Research Director's pet slime.  It shifts colors constantly."
+	rainbow_core_candidate = FALSE
+
+/mob/living/simple_animal/slime/rainbow/kendrick/New()
+	pacify()
+	..()
\ No newline at end of file
diff --git a/code/modules/mob/living/simple_mob/subtypes/animal/pets/bird.dm b/code/modules/mob/living/simple_mob/subtypes/animal/pets/bird.dm
index 5e77a57a3cc..4042dd30b4a 100644
--- a/code/modules/mob/living/simple_mob/subtypes/animal/pets/bird.dm
+++ b/code/modules/mob/living/simple_mob/subtypes/animal/pets/bird.dm
@@ -57,7 +57,8 @@
 	icon_state = "commonblackbird"
 	icon_dead = "commonblackbird-dead"
 	tt_desc = "E Turdus merula"
-	icon_scale = 0.5
+	icon_scale_x = 0.5
+	icon_scale_y = 0.5
 
 /mob/living/simple_mob/animal/passive/bird/azure_tit
 	name = "azure tit"
@@ -65,7 +66,8 @@
 	icon_state = "azuretit"
 	icon_dead = "azuretit-dead"
 	tt_desc = "E Cyanistes cyanus"
-	icon_scale = 0.5
+	icon_scale_x = 0.5
+	icon_scale_y = 0.5
 
 /mob/living/simple_mob/animal/passive/bird/european_robin
 	name = "european robin"
@@ -73,7 +75,8 @@
 	icon_state = "europeanrobin"
 	icon_dead = "europeanrobin-dead"
 	tt_desc = "E Erithacus rubecula"
-	icon_scale = 0.5
+	icon_scale_x = 0.5
+	icon_scale_y = 0.5
 
 /mob/living/simple_mob/animal/passive/bird/goldcrest
 	name = "goldcrest"
@@ -82,7 +85,8 @@
 	icon_state = "goldcrest"
 	icon_dead = "goldcrest-dead"
 	tt_desc = "E Regulus regulus"
-	icon_scale = 0.5
+	icon_scale_x = 0.5
+	icon_scale_y = 0.5
 
 /mob/living/simple_mob/animal/passive/bird/ringneck_dove
 	name = "ringneck dove"
@@ -90,4 +94,5 @@
 	icon_state = "ringneckdove"
 	icon_dead = "ringneckdove-dead"
 	tt_desc = "E Streptopelia risoria" // This is actually disputed IRL but since we can't tell the future it'll stay the same for 500+ years.
-	icon_scale = 0.5
+	icon_scale_x = 0.5
+	icon_scale_y = 0.5
diff --git a/code/modules/mob/living/simple_mob/subtypes/animal/sif/hooligan_crab.dm b/code/modules/mob/living/simple_mob/subtypes/animal/sif/hooligan_crab.dm
index ca8288e421e..32eccb00af6 100644
--- a/code/modules/mob/living/simple_mob/subtypes/animal/sif/hooligan_crab.dm
+++ b/code/modules/mob/living/simple_mob/subtypes/animal/sif/hooligan_crab.dm
@@ -32,7 +32,8 @@
 	icon_state = "sif_crab"
 	icon_living = "sif_crab"
 	icon_dead = "sif_crab_dead"
-	icon_scale = 1.5
+	icon_scale_x = 1.5
+	icon_scale_y = 1.5
 
 	faction = "crabs"
 
diff --git a/code/modules/mob/living/simple_mob/subtypes/animal/sif/shantak.dm b/code/modules/mob/living/simple_mob/subtypes/animal/sif/shantak.dm
index 881615138e0..bb6a25604a9 100644
--- a/code/modules/mob/living/simple_mob/subtypes/animal/sif/shantak.dm
+++ b/code/modules/mob/living/simple_mob/subtypes/animal/sif/shantak.dm
@@ -67,7 +67,8 @@
 	name = "big shantak"
 	desc = "A piglike creature with a bright iridiscent mane that sparkles as though lit by an inner light. \
 	This one seems bigger than the others, and has a commanding presence."
-	icon_scale = 1.5
+	icon_scale_x = 1.5
+	icon_scale_y = 1.5
 	maxHealth = 125
 	player_msg = "You have the ability to <b>command other shantaks to follow you</b>."
 
diff --git a/code/modules/mob/living/simple_mob/subtypes/mechanical/hivebot/ranged_damage.dm b/code/modules/mob/living/simple_mob/subtypes/mechanical/hivebot/ranged_damage.dm
index 5e4d877751a..bf2e3eb18a4 100644
--- a/code/modules/mob/living/simple_mob/subtypes/mechanical/hivebot/ranged_damage.dm
+++ b/code/modules/mob/living/simple_mob/subtypes/mechanical/hivebot/ranged_damage.dm
@@ -105,7 +105,8 @@
 	name = "siege engine hivebot"
 	desc = "A large robot capable of delivering long range bombardment."
 	projectiletype = /obj/item/projectile/arc/test
-	icon_scale = 2
+	icon_scale_x = 2
+	icon_scale_y = 2
 	icon_state = "red"
 	icon_living = "red"
 
diff --git a/code/modules/mob/living/simple_mob/subtypes/mechanical/hivebot/tank.dm b/code/modules/mob/living/simple_mob/subtypes/mechanical/hivebot/tank.dm
index 007f190c047..7f4e10f05dd 100644
--- a/code/modules/mob/living/simple_mob/subtypes/mechanical/hivebot/tank.dm
+++ b/code/modules/mob/living/simple_mob/subtypes/mechanical/hivebot/tank.dm
@@ -39,7 +39,8 @@
 	desc = "A large robot."
 	maxHealth = 10 LASERS_TO_KILL // 300 health
 	health = 10 LASERS_TO_KILL
-	icon_scale = 2
+	icon_scale_x = 2
+	icon_scale_y = 2
 	player_msg = "You have a very large amount of health."
 
 
@@ -49,7 +50,8 @@
 	desc = "A robot clad in heavy armor."
 	maxHealth = 5 LASERS_TO_KILL // 150 health.
 	health = 5 LASERS_TO_KILL
-	icon_scale = 1.5
+	icon_scale_x = 1.5
+	icon_scale_y = 1.5
 	player_msg = "You are heavily armored."
 	// Note that armor effectively makes lasers do about 9 damage instead of 30,
 	// so it has an effective health of ~16.6 LASERS_TO_KILL if regular lasers are used.
diff --git a/code/modules/mob/living/simple_mob/subtypes/mechanical/mecha/adv_dark_gygax.dm b/code/modules/mob/living/simple_mob/subtypes/mechanical/mecha/adv_dark_gygax.dm
index 2f9420bf64b..39708365dfd 100644
--- a/code/modules/mob/living/simple_mob/subtypes/mechanical/mecha/adv_dark_gygax.dm
+++ b/code/modules/mob/living/simple_mob/subtypes/mechanical/mecha/adv_dark_gygax.dm
@@ -77,7 +77,8 @@
 	catalogue_data = list(/datum/category_item/catalogue/technology/adv_dark_gygax)
 	icon_state = "darkgygax_adv"
 	wreckage = /obj/structure/loot_pile/mecha/gygax/dark/adv
-	icon_scale = 1.5
+	icon_scale_x = 1.5
+	icon_scale_y = 1.5
 	movement_shake_radius = 14
 
 	maxHealth = 450
diff --git a/code/modules/mob/living/simple_mob/subtypes/occult/constructs/juggernaut.dm b/code/modules/mob/living/simple_mob/subtypes/occult/constructs/juggernaut.dm
index 31dfa4d34a7..8a56f08ddd4 100644
--- a/code/modules/mob/living/simple_mob/subtypes/occult/constructs/juggernaut.dm
+++ b/code/modules/mob/living/simple_mob/subtypes/occult/constructs/juggernaut.dm
@@ -106,7 +106,8 @@
 	friendly = list("pokes") //Anything nice the Behemoth would do would still Kill the Human. Leave it at poke.
 	attack_sound = 'sound/weapons/heavysmash.ogg'
 	resistance = 10
-	icon_scale = 2
+	icon_scale_x = 2
+	icon_scale_y = 2
 	var/energy = 0
 	var/max_energy = 1000
 	armor = list(
diff --git a/code/modules/mob/living/simple_mob/subtypes/slime/feral/feral.dm b/code/modules/mob/living/simple_mob/subtypes/slime/feral/feral.dm
index 91aa0b0a798..1470aed9481 100644
--- a/code/modules/mob/living/simple_mob/subtypes/slime/feral/feral.dm
+++ b/code/modules/mob/living/simple_mob/subtypes/slime/feral/feral.dm
@@ -1,3 +1,4 @@
+<<<<<<< HEAD
 // These slimes lack certain xenobio features but get more combat-oriented goodies. Generally these are more oriented towards Explorers than Xenobiologists.
 
 /mob/living/simple_mob/slime/feral
@@ -92,3 +93,101 @@
 	if(L.has_AI()) // Other AIs should react to hostile auras.
 		L.ai_holder.react_to_attack(src)
 
+=======
+// These slimes lack certain xenobio features but get more combat-oriented goodies. Generally these are more oriented towards Explorers than Xenobiologists.
+
+/mob/living/simple_mob/slime/feral
+	name = "feral slime"
+	desc = "The result of slimes escaping containment from some xenobiology lab. \
+	Having the means to successfully escape their lab, as well as having to survive on a harsh, cold world has made these \
+	creatures rival the ferocity of other apex predators in this region of Sif. It is considered to be a very invasive species."
+	description_info = "Note that processing this large slime will give six cores."
+
+	cores = 6 // Xenobio will love getting their hands on these.
+
+	icon_state = "slime adult"
+	icon_living = "slime adult"
+	icon_dead = "slime adult dead"
+	glow_range = 5
+	glow_intensity = 4
+	icon_scale_x = 2 // Twice as big as the xenobio variant.
+	icon_scale_y = 2
+	pixel_y = -10 // Since the base sprite isn't centered properly, the pixel auto-adjustment needs some help.
+	default_pixel_y = -10 // To prevent resetting above var.
+
+	maxHealth = 300
+	movement_cooldown = 10
+	melee_attack_delay = 0.5 SECONDS
+
+	ai_holder_type = /datum/ai_holder/simple_mob/ranged/pointblank
+
+
+// Slimebatoning/xenotasing it just makes it mad at you (which can be good if you're heavily armored and your friends aren't).
+/mob/living/simple_mob/slime/feral/slimebatoned(mob/living/user, amount)
+	taunt(user, TRUE)
+
+
+// ***********
+// *Dark Blue*
+// ***********
+
+// Dark Blue feral slimes can fire a strong icicle projectile every few seconds. The icicle hits hard and has some armor penetration.
+// They also have a similar aura as their xenobio counterparts, which inflicts cold damage. It also chills non-resistant mobs.
+
+/mob/living/simple_mob/slime/feral/dark_blue
+	name = "dark blue feral slime"
+	color = "#2398FF"
+	glow_toggle = TRUE
+	slime_color = "dark blue"
+	coretype = /obj/item/slime_extract/dark_blue
+	cold_resist = 1 // Complete immunity.
+	minbodytemp = 0
+	cold_damage_per_tick = 0
+
+	projectiletype = /obj/item/projectile/icicle
+	base_attack_cooldown = 2 SECONDS
+	ranged_attack_delay = 1 SECOND
+
+	player_msg = "You can fire an icicle projectile every two seconds. It hits hard, and armor has a hard time resisting it.<br>\
+	You are also immune to the cold, and you cause enemies around you to suffer periodic harm from the cold, if unprotected.<br>\
+	Unprotected enemies are also Chilled, making them slower and less evasive, and disabling effects last longer."
+
+/obj/item/projectile/icicle
+	name = "icicle"
+	icon_state = "ice_2"
+	damage = 40
+	damage_type = BRUTE
+	check_armour = "melee"
+	armor_penetration = 30
+	speed = 2
+	icon_scale_x = 2 // It hits like a truck.
+	icon_scale_y = 2
+	sharp = TRUE
+
+/obj/item/projectile/icicle/on_impact(atom/A)
+	playsound(get_turf(A), "shatter", 70, 1)
+	return ..()
+
+/obj/item/projectile/icicle/get_structure_damage()
+	return damage / 2 // They're really deadly against mobs, but less effective against solid things.
+
+/mob/living/simple_mob/slime/feral/dark_blue/handle_special()
+	if(stat != DEAD)
+		cold_aura()
+	..()
+
+/mob/living/simple_mob/slime/feral/dark_blue/proc/cold_aura()
+	for(var/mob/living/L in view(3, src))
+		if(L == src)
+			continue
+		chill(L)
+
+/mob/living/simple_mob/slime/feral/dark_blue/proc/chill(mob/living/L)
+	L.inflict_cold_damage(10)
+	if(L.get_cold_protection() < 1)
+		L.add_modifier(/datum/modifier/chilled, 5 SECONDS, src)
+
+	if(L.has_AI()) // Other AIs should react to hostile auras.
+		L.ai_holder.react_to_attack(src)
+
+>>>>>>> ef7568a... Merge pull request #6154 from Mechoid/Sif_Tree_Expansion
diff --git a/code/modules/projectiles/projectile/arc.dm b/code/modules/projectiles/projectile/arc.dm
index 97069db1fb3..0c4c9f4caa9 100644
--- a/code/modules/projectiles/projectile/arc.dm
+++ b/code/modules/projectiles/projectile/arc.dm
@@ -162,7 +162,8 @@
 /obj/item/projectile/arc/radioactive
 	name = "radiation blast"
 	icon_state = "green_pellet"
-	icon_scale = 2
+	icon_scale_x = 2
+	icon_scale_y = 2
 	var/rad_power = 50
 
 /obj/item/projectile/arc/radioactive/on_impact(turf/T)
diff --git a/icons/obj/flora/deadtrees.dmi b/icons/obj/flora/deadtrees.dmi
index 7a0b164619c..2a3655b0d2a 100644
Binary files a/icons/obj/flora/deadtrees.dmi and b/icons/obj/flora/deadtrees.dmi differ