diff --git a/code/__DEFINES/DNA.dm b/code/__DEFINES/DNA.dm
index dd5a25d8ff..2a35230794 100644
--- a/code/__DEFINES/DNA.dm
+++ b/code/__DEFINES/DNA.dm
@@ -127,6 +127,7 @@
 #define TOXINLOVER		24
 #define DIGITIGRADE		25	//Uses weird leg sprites. Optional for Lizards, required for ashwalkers. Don't give it to other races unless you make sprites for this (see human_parts_greyscale.dmi)
 #define NO_UNDERWEAR	26
+<<<<<<< HEAD
 #define MUTCOLORS2		27
 #define MUTCOLORS3		28
 #define NOLIVER 		29
@@ -135,3 +136,31 @@
 #define NOAROUSAL		29 //Stops all arousal effects
 #define NOGENITALS		30 //Cannot create, use, or otherwise have genitals
 #define NO_DNA_COPY     31
+=======
+#define NOLIVER			27
+#define NOSTOMACH		28
+#define NO_DNA_COPY     29
+#define DRINKSBLOOD		30
+
+#define ORGAN_SLOT_BRAIN "brain"
+#define ORGAN_SLOT_APPENDIX "appendix"
+#define ORGAN_SLOT_RIGHT_ARM_AUG "r_arm_device"
+#define ORGAN_SLOT_LEFT_ARM_AUG "l_arm_device"
+#define ORGAN_SLOT_STOMACH "stomach"
+#define ORGAN_SLOT_BREATHING_TUBE "breathing_tube"
+#define ORGAN_SLOT_EARS "ears"
+#define ORGAN_SLOT_EYES "eye_sight"
+#define ORGAN_SLOT_LUNGS "lungs"
+#define ORGAN_SLOT_HEART "heart"
+#define ORGAN_SLOT_ZOMBIE "zombie_infection"
+#define ORGAN_SLOT_THRUSTERS "thrusters"
+#define ORGAN_SLOT_HUD "eye_hud"
+#define ORGAN_SLOT_LIVER "liver"
+#define ORGAN_SLOT_TONGUE "tongue"
+#define ORGAN_SLOT_VOICE "vocal_cords"
+#define ORGAN_SLOT_ADAMANTINE_RESONATOR "adamantine_resonator"
+#define ORGAN_SLOT_HEART_AID "heartdrive"
+#define ORGAN_SLOT_BRAIN_ANTIDROP "brain_antidrop"
+#define ORGAN_SLOT_BRAIN_ANTISTUN "brain_antistun"
+#define ORGAN_SLOT_TAIL "tail"
+>>>>>>> ad30af5... Vampire species for halloween (#32096)
diff --git a/code/modules/mob/living/blood.dm b/code/modules/mob/living/blood.dm
index 30d5652ab4..45f26d55c3 100644
--- a/code/modules/mob/living/blood.dm
+++ b/code/modules/mob/living/blood.dm
@@ -216,25 +216,23 @@
 	. = list()
 	if(!bloodtype)
 		return
-	switch(bloodtype)
-		if("A-")
-			return list("A-", "O-")
-		if("A+")
-			return list("A-", "A+", "O-", "O+")
-		if("B-")
-			return list("B-", "O-")
-		if("B+")
-			return list("B-", "B+", "O-", "O+")
-		if("AB-")
-			return list("A-", "B-", "O-", "AB-")
-		if("AB+")
-			return list("A-", "A+", "B-", "B+", "O-", "O+", "AB-", "AB+")
-		if("O-")
-			return list("O-")
-		if("O+")
-			return list("O-", "O+")
-		if("L")
-			return list("L")
+
+	var/static/list/bloodtypes_safe = list(
+		"A-" = list("A-", "O-"),
+		"A+" = list("A-", "A+", "O-", "O+"),
+		"B-" = list("B-", "O-"),
+		"B+" = list("B-", "B+", "O-", "O+"),
+		"AB-" = list("A-", "B-", "O-", "AB-"),
+		"AB+" = list("A-", "A+", "B-", "B+", "O-", "O+", "AB-", "AB+"),
+		"O-" = list("O-"),
+		"O+" = list("O-", "O+"),
+		"L" = list("L"),
+		"U" = list("A-", "A+", "B-", "B+", "O-", "O+", "AB-", "AB+", "L", "U")
+	)
+
+	var/safe = bloodtypes_safe[bloodtype]
+	if(safe)
+		. = safe
 
 //to add a splatter of blood or other mob liquid.
 /mob/living/proc/add_splatter_floor(turf/T, small_drip)
diff --git a/code/modules/mob/living/carbon/human/species.dm b/code/modules/mob/living/carbon/human/species.dm
index 7a212d371b..8704abee83 100644
--- a/code/modules/mob/living/carbon/human/species.dm
+++ b/code/modules/mob/living/carbon/human/species.dm
@@ -65,6 +65,7 @@
 	var/breathid = "o2"
 
 	var/obj/item/organ/brain/mutant_brain = /obj/item/organ/brain
+	var/obj/item/organ/heart/mutant_heart = /obj/item/organ/heart
 	var/obj/item/organ/eyes/mutanteyes = /obj/item/organ/eyes
 	var/obj/item/organ/ears/mutantears = /obj/item/organ/ears
 	var/obj/item/mutanthands
@@ -154,7 +155,7 @@
 		heart.Remove(C,1)
 		QDEL_NULL(heart)
 	if(should_have_heart && !heart)
-		heart = new()
+		heart = new mutant_heart()
 		heart.Insert(C)
 
 	if(lungs && (replace_current || !should_have_lungs))
diff --git a/code/modules/mob/living/carbon/human/species_types/vampire.dm b/code/modules/mob/living/carbon/human/species_types/vampire.dm
new file mode 100644
index 0000000000..de0b5efdff
--- /dev/null
+++ b/code/modules/mob/living/carbon/human/species_types/vampire.dm
@@ -0,0 +1,130 @@
+/datum/species/vampire
+	name = "vampire"
+	id = "vampire"
+	default_color = "FFFFFF"
+	species_traits = list(EYECOLOR,HAIR,FACEHAIR,LIPS,NOHUNGER,NOBREATH,DRINKSBLOOD)
+	mutant_bodyparts = list("tail_human", "ears", "wings")
+	default_features = list("mcolor" = "FFF", "tail_human" = "None", "ears" = "None", "wings" = "None")
+	exotic_bloodtype = "U"
+	use_skintones = TRUE
+	mutant_heart = /obj/item/organ/heart/vampire
+	mutanttongue = /obj/item/organ/tongue/vampire
+	blacklisted = TRUE
+	limbs_id = "human"
+	skinned_type = /obj/item/stack/sheet/animalhide/human
+	var/info_text = "You are a <span class='danger'>Vampire</span>. You will slowly but constantly lose blood if outside of a coffin. If inside a coffin, you will slowly heal. You may gain more blood by grabbing a live victim and using your drain ability."
+
+/datum/species/vampire/check_roundstart_eligible()
+	if(SSevents.holidays && SSevents.holidays[HALLOWEEN])
+		return TRUE
+	return FALSE
+
+/datum/species/vampire/on_species_gain(mob/living/carbon/human/C, datum/species/old_species)
+	. = ..()
+	to_chat(C, "[info_text]")
+	C.skin_tone = "albino"
+	C.update_body(0)
+	if(C.mind)
+		var/obj/effect/proc_holder/spell/targeted/shapeshift/bat/B = new
+		C.mind.AddSpell(B)
+
+/datum/species/vampire/on_species_loss(mob/living/carbon/C)
+	. = ..()
+	if(C.mind)
+		for(var/S in C.mind.spell_list)
+			var/obj/effect/proc_holder/spell/S2 = S
+			if(S2.type == /obj/effect/proc_holder/spell/targeted/shapeshift/bat)
+				C.mind.spell_list.Remove(S2)
+				qdel(S2)
+
+/datum/species/vampire/spec_life(mob/living/carbon/human/C)
+	. = ..()
+	if(istype(C.loc, /obj/structure/closet/coffin))
+		C.heal_overall_damage(4,4)
+		C.adjustToxLoss(-4)
+		C.adjustOxyLoss(-4)
+		C.adjustCloneLoss(-4)
+		return
+	C.blood_volume -= 1.5
+	if(C.blood_volume <= BLOOD_VOLUME_SURVIVE)
+		to_chat(C, "<span class='danger'>You ran out of blood!</span>")
+		C.dust()
+	var/area/A = get_area(C)
+	if(istype(A, /area/chapel))
+		to_chat(C, "<span class='danger'>You don't belong here!</span>")
+		C.adjustFireLoss(20)
+		C.adjust_fire_stacks(6)
+		C.IgniteMob()
+
+/obj/item/organ/tongue/vampire
+	name = "vampire tongue"
+	actions_types = list(/datum/action/item_action/organ_action/vampire)
+	color = "#1C1C1C"
+	var/drain_cooldown = 0
+
+#define VAMP_DRAIN_AMOUNT 50
+
+/datum/action/item_action/organ_action/vampire
+	name = "Drain Victim"
+	desc = "Leech blood from any carbon victim you are passively grabbing."
+
+/datum/action/item_action/organ_action/vampire/Trigger()
+	. = ..()
+	if(iscarbon(owner))
+		var/mob/living/carbon/H = owner
+		var/obj/item/organ/tongue/vampire/V = target
+		if(V.drain_cooldown >= world.time)
+			to_chat(H, "<span class='notice'>You just drained blood, wait a few seconds.</span>")
+			return
+		if(H.pulling && iscarbon(H.pulling))
+			var/mob/living/carbon/victim = H.pulling
+			if(H.blood_volume >= BLOOD_VOLUME_MAXIMUM)
+				to_chat(H, "<span class='notice'>You're already full!</span>")
+				return
+			if(victim.stat == DEAD)
+				to_chat(H, "<span class='notice'>You need a living victim!</span>")
+				return
+			if(!victim.blood_volume || (victim.dna && ((NOBLOOD in victim.dna.species.species_traits) || victim.dna.species.exotic_blood)))
+				to_chat(H, "<span class='notice'>[victim] doesn't have blood!</span>")
+				return
+			V.drain_cooldown = world.time + 30
+			if(!do_after(H, 30, target = victim))
+				return
+			var/blood_volume_difference = BLOOD_VOLUME_MAXIMUM - H.blood_volume //How much capacity we have left to absorb blood
+			var/drained_blood = min(victim.blood_volume, VAMP_DRAIN_AMOUNT, blood_volume_difference)
+			to_chat(victim, "<span class='danger'>[H] is draining your blood!</span>")
+			to_chat(H, "<span class='notice'>You drain some blood!</span>")
+			playsound(H, 'sound/items/drink.ogg', 30, 1, -2)
+			victim.blood_volume = Clamp(victim.blood_volume - drained_blood, 0, BLOOD_VOLUME_MAXIMUM)
+			H.blood_volume = Clamp(H.blood_volume + drained_blood, 0, BLOOD_VOLUME_MAXIMUM)
+			if(!victim.blood_volume)
+				to_chat(H, "<span class='warning'>You finish off [victim]'s blood supply!</span>")
+
+#undef VAMP_DRAIN_AMOUNT
+
+/obj/item/organ/heart/vampire
+	name = "vampire heart"
+	actions_types = list(/datum/action/item_action/organ_action/vampire_heart)
+	color = "#1C1C1C"
+
+/datum/action/item_action/organ_action/vampire_heart
+	name = "Check Blood Level"
+	desc = "Check how much blood you have remaining."
+
+/datum/action/item_action/organ_action/vampire_heart/Trigger()
+	. = ..()
+	if(iscarbon(owner))
+		var/mob/living/carbon/H = owner
+		to_chat(H, "<span class='notice'>Current blood level: [H.blood_volume]/[BLOOD_VOLUME_MAXIMUM].</span>")
+
+/obj/effect/proc_holder/spell/targeted/shapeshift/bat
+	name = "Bat Form"
+	desc = "Take on the shape a space bat."
+	invocation = "Squeak!"
+	charge_max = 50
+	cooldown_min = 50
+
+	shapeshift_type = /mob/living/simple_animal/hostile/retaliate/bat
+	current_shapes = list(/mob/living/simple_animal/hostile/retaliate/bat)
+	current_casters = list()
+	possible_shapes = list(/mob/living/simple_animal/hostile/retaliate/bat)
\ No newline at end of file
diff --git a/code/modules/reagents/chemistry/reagents/other_reagents.dm b/code/modules/reagents/chemistry/reagents/other_reagents.dm
index 0a437f120e..634e98fb2d 100644
--- a/code/modules/reagents/chemistry/reagents/other_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/other_reagents.dm
@@ -24,9 +24,9 @@
 			else //ingest, patch or inject
 				M.ForceContractDisease(D)
 
-	if(method == INJECT && iscarbon(M))
+	if(iscarbon(M))
 		var/mob/living/carbon/C = M
-		if(C.get_blood_id() == "blood")
+		if(C.get_blood_id() == "blood" && (method == INJECT || (method == INGEST && C.dna && C.dna.species && (DRINKSBLOOD in C.dna.species.species_traits))))
 			if(!data || !(data["blood_type"] in get_safe_blood(C.dna.blood_type)))
 				C.reagents.add_reagent("toxin", reac_volume * 0.5)
 			else
diff --git a/code/modules/reagents/reagent_containers/blood_pack.dm b/code/modules/reagents/reagent_containers/blood_pack.dm
index 2f2ef108ea..d4b8e165ee 100644
--- a/code/modules/reagents/reagent_containers/blood_pack.dm
+++ b/code/modules/reagents/reagent_containers/blood_pack.dm
@@ -65,6 +65,9 @@
 /obj/item/reagent_containers/blood/lizard
 	blood_type = "L"
 
+/obj/item/reagent_containers/blood/universal
+	blood_type = "U"
+
 /obj/item/reagent_containers/blood/empty
 	name = "blood pack"
 	icon_state = "empty"
diff --git a/tgstation.dme b/tgstation.dme
index 912f3cc89e..a07447e250 100755
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -1731,6 +1731,7 @@
 #include "code\modules\mob\living\carbon\human\species_types\shadowpeople.dm"
 #include "code\modules\mob\living\carbon\human\species_types\skeletons.dm"
 #include "code\modules\mob\living\carbon\human\species_types\synths.dm"
+#include "code\modules\mob\living\carbon\human\species_types\vampire.dm"
 #include "code\modules\mob\living\carbon\human\species_types\zombies.dm"
 #include "code\modules\mob\living\carbon\monkey\combat.dm"
 #include "code\modules\mob\living\carbon\monkey\death.dm"