diff --git a/code/modules/events/spacevine.dm b/code/modules/events/spacevine.dm
index 10c9092230..c94c1773e2 100644
--- a/code/modules/events/spacevine.dm
+++ b/code/modules/events/spacevine.dm
@@ -22,9 +22,7 @@
 
 	if(turfs.len) //Pick a turf to spawn at if we can
 		var/turf/T = pick(turfs)
-		new /datum/spacevine_controller(T, pick(subtypesof(/datum/spacevine_mutation)), rand(30,100), rand(5,10), src) //spawn a controller at turf with randomized stats and a single random mutation
-
-
+		new /datum/spacevine_controller(T, pick(subtypesof(/datum/spacevine_mutation)), rand(10,100), rand(5,10), src) //spawn a controller at turf with randomized stats and a single random mutation
 
 
 /datum/spacevine_mutation
@@ -174,8 +172,8 @@
 		var/datum/gas_mixture/GM = T.air
 		if(!GM.gases[/datum/gas/oxygen])
 			return
-		GM.gases[/datum/gas/oxygen] = max(GM.gases[/datum/gas/oxygen] - severity * holder.energy, 0)
-		GAS_GARBAGE_COLLECT(GM.gases)
+		GM.gases[/datum/gas/oxygen][MOLES] = max(GM.gases[/datum/gas/oxygen][MOLES] - severity * holder.energy, 0)
+		GM.garbage_collect()
 
 /datum/spacevine_mutation/nitro_eater
 	name = "nitrogen consuming"
@@ -189,8 +187,8 @@
 		var/datum/gas_mixture/GM = T.air
 		if(!GM.gases[/datum/gas/nitrogen])
 			return
-		GM.gases[/datum/gas/nitrogen] = max(GM.gases[/datum/gas/nitrogen] - severity * holder.energy, 0)
-		GAS_GARBAGE_COLLECT(GM.gases)
+		GM.gases[/datum/gas/nitrogen][MOLES] = max(GM.gases[/datum/gas/nitrogen][MOLES] - severity * holder.energy, 0)
+		GM.garbage_collect()
 
 /datum/spacevine_mutation/carbondioxide_eater
 	name = "CO2 consuming"
@@ -204,8 +202,8 @@
 		var/datum/gas_mixture/GM = T.air
 		if(!GM.gases[/datum/gas/carbon_dioxide])
 			return
-		GM.gases[/datum/gas/carbon_dioxide] = max(GM.gases[/datum/gas/carbon_dioxide] - severity * holder.energy, 0)
-		GAS_GARBAGE_COLLECT(GM.gases)
+		GM.gases[/datum/gas/carbon_dioxide][MOLES] = max(GM.gases[/datum/gas/carbon_dioxide][MOLES] - severity * holder.energy, 0)
+		GM.garbage_collect()
 
 /datum/spacevine_mutation/plasma_eater
 	name = "toxins consuming"
@@ -219,8 +217,8 @@
 		var/datum/gas_mixture/GM = T.air
 		if(!GM.gases[/datum/gas/plasma])
 			return
-		GM.gases[/datum/gas/plasma] = max(GM.gases[/datum/gas/plasma] - severity * holder.energy, 0)
-		GAS_GARBAGE_COLLECT(GM.gases)
+		GM.gases[/datum/gas/plasma][MOLES] = max(GM.gases[/datum/gas/plasma][MOLES] - severity * holder.energy, 0)
+		GM.garbage_collect()
 
 /datum/spacevine_mutation/thorns
 	name = "thorny"
@@ -229,13 +227,13 @@
 	quality = NEGATIVE
 
 /datum/spacevine_mutation/thorns/on_cross(obj/structure/spacevine/holder, mob/living/crosser)
-	if(prob(severity) && istype(crosser) && !isvineimmune(holder))
+	if(prob(severity) && istype(crosser) && !isvineimmune(crosser))
 		var/mob/living/M = crosser
 		M.adjustBruteLoss(5)
 		to_chat(M, "<span class='alert'>You cut yourself on the thorny vines.</span>")
 
 /datum/spacevine_mutation/thorns/on_hit(obj/structure/spacevine/holder, mob/living/hitter, obj/item/I, expected_damage)
-	if(prob(severity) && istype(hitter) && !isvineimmune(holder))
+	if(prob(severity) && istype(hitter) && !isvineimmune(hitter))
 		var/mob/living/M = hitter
 		M.adjustBruteLoss(5)
 		to_chat(M, "<span class='alert'>You cut yourself on the thorny vines.</span>")
@@ -253,7 +251,7 @@
 	holder.obj_integrity = holder.max_integrity
 
 /datum/spacevine_mutation/woodening/on_hit(obj/structure/spacevine/holder, mob/living/hitter, obj/item/I, expected_damage)
-	if(I.get_sharpness())
+	if(I?.get_sharpness())
 		. = expected_damage * 0.5
 	else
 		. = expected_damage
@@ -346,16 +344,17 @@
 	switch(damage_type)
 		if(BRUTE)
 			if(damage_amount)
-				playsound(src, 'sound/weapons/slash.ogg', 50, 1)
+				playsound(src, 'sound/weapons/slash.ogg', 50, TRUE)
 			else
-				playsound(src, 'sound/weapons/tap.ogg', 50, 1)
+				playsound(src, 'sound/weapons/tap.ogg', 50, TRUE)
 		if(BURN)
-			playsound(src.loc, 'sound/items/welder.ogg', 100, 1)
+			playsound(src.loc, 'sound/items/welder.ogg', 100, TRUE)
 
-/obj/structure/spacevine/Crossed(mob/crosser)
-	if(isliving(crosser))
-		for(var/datum/spacevine_mutation/SM in mutations)
-			SM.on_cross(src, crosser)
+/obj/structure/spacevine/Crossed(atom/movable/AM)
+	if(!isliving(AM))
+		return
+	for(var/datum/spacevine_mutation/SM in mutations)
+		SM.on_cross(src, AM)
 
 //ATTACK HAND IGNORING PARENT RETURN VALUE
 /obj/structure/spacevine/attack_hand(mob/user)
@@ -380,10 +379,12 @@
 	var/list/vine_mutations_list
 	var/mutativeness = 1
 
-/datum/spacevine_controller/New(turf/location, list/muts, potency, production)
+/datum/spacevine_controller/New(turf/location, list/muts, potency, production, datum/round_event/event = null)
 	vines = list()
 	growth_queue = list()
-	spawn_spacevine_piece(location, null, muts)
+	var/obj/structure/spacevine/SV = spawn_spacevine_piece(location, null, muts)
+	if (event)
+		event.announce_to_ghosts(SV)
 	START_PROCESSING(SSobj, src)
 	vine_mutations_list = list()
 	init_subtypes(/datum/spacevine_mutation/, vine_mutations_list)
@@ -430,6 +431,7 @@
 	for(var/datum/spacevine_mutation/SM in SV.mutations)
 		SM.on_birth(SV)
 	location.Entered(SV)
+	return SV
 
 /datum/spacevine_controller/proc/VineDestroyed(obj/structure/spacevine/S)
 	S.master = null
@@ -532,15 +534,14 @@
 	if(!override)
 		qdel(src)
 
-/obj/structure/spacevine/CanPass(atom/movable/mover, turf/target)
+/obj/structure/spacevine/CanAllowThrough(atom/movable/mover, turf/target)
+	. = ..()
 	if(isvineimmune(mover))
-		. = TRUE
-	else
-		. = ..()
+		return TRUE
 
 /proc/isvineimmune(atom/A)
-	. = FALSE
 	if(isliving(A))
 		var/mob/living/M = A
 		if(("vines" in M.faction) || ("plants" in M.faction))
-			. = TRUE
+			return TRUE
+	return FALSE