Eldritch horror, except Chester actually finishes it before christmas.

code/__DEFINES/is_helpers.dm

@@ -113,6 +113,8 @@ GLOBAL_LIST_INIT(turfs_without_ground, typecacheof(list(
 
 #define isrevenant(A) (istype(A, /mob/living/simple_animal/revenant))
 
+#define ishorror(A) (istype(A, /mob/living/simple_animal/horror))
+
 #define isbot(A) (istype(A, /mob/living/simple_animal/bot))
 
 #define isshade(A) (istype(A, /mob/living/simple_animal/shade))

code/__DEFINES/role_preferences.dm

@@ -44,6 +44,7 @@
 #define ROLE_GANG				"gangster" // Yogs
 #define ROLE_DARKSPAWN			"darkspawn" // Yogs
 #define ROLE_HOLOPARASITE		"Holoparasite" // Yogs
+#define ROLE_HORROR 			"Eldritch Horror" // Yogs
 #define ROLE_INFILTRATOR		"Infiltrator" // Yogs
 #define ROLE_ZOMBIE				"Zombie"
 
@@ -63,6 +64,7 @@ GLOBAL_LIST_INIT(special_roles, list(
 	ROLE_MALF,
 	ROLE_REV = /datum/game_mode/revolution,
 	ROLE_ALIEN,
+	ROLE_HORROR,
 	ROLE_PAI,
 	ROLE_CULTIST = /datum/game_mode/cult,
 	ROLE_BLOB,

code/__DEFINES/traits.dm

@@ -319,6 +319,7 @@
 #define GUARDIAN_TRAIT "guardian_trait"
 #define RANDOM_BLACKOUTS "random_blackouts"
 #define MADE_UNCLONEABLE "made-uncloneable"
+#define HORROR_TRAIT "horror"
 
 ///Traits given by station traits
 #define STATION_TRAIT_BANANIUM_SHIPMENTS "station_trait_bananium_shipments"

code/_globalvars/lists/names.dm

@@ -20,6 +20,7 @@ GLOBAL_LIST_INIT(plasmaman_names, world.file2list("strings/names/plasmaman.txt")
 GLOBAL_LIST_INIT(ethereal_names, world.file2list("strings/names/ethereal.txt"))
 GLOBAL_LIST_INIT(posibrain_names, world.file2list("strings/names/posibrain.txt"))
 GLOBAL_LIST_INIT(nightmare_names, world.file2list("strings/names/nightmare.txt"))
+GLOBAL_LIST_INIT(horror_names, world.file2list("strings/names/horror.txt"))
 GLOBAL_LIST_INIT(megacarp_first_names, world.file2list("strings/names/megacarp1.txt"))
 GLOBAL_LIST_INIT(megacarp_last_names, world.file2list("strings/names/megacarp2.txt"))
 

code/_onclick/hud/horror.dm

@@ -0,0 +1,17 @@
+/obj/screen/horror_chemicals
+	name = "chemicals"
+	icon_state = "horror_counter"
+	screen_loc = ui_lingchemdisplay
+
+/datum/hud/chemical_counter
+	ui_style = 'icons/mob/screen_midnight.dmi'
+	var/obj/screen/horror_chemicals/chemical_counter
+
+/datum/hud/chemical_counter/New(mob/owner)
+	. = ..()
+	chemical_counter = new /obj/screen/horror_chemicals
+	infodisplay += chemical_counter
+
+/datum/hud/chemical_counter/Destroy()
+	. = ..()
+	chemical_counter = null

code/controllers/subsystem/traumas.dm

@@ -46,7 +46,7 @@ SUBSYSTEM_DEF(traumas)
 					   "doctors"   = typecacheof(list(/mob/living/simple_animal/bot/medbot)),
 					   "the supernatural"   = typecacheof(list(/mob/living/simple_animal/hostile/construct,
 					   /mob/living/simple_animal/hostile/clockwork, /mob/living/simple_animal/drone/cogscarab,
-					   /mob/living/simple_animal/revenant, /mob/living/simple_animal/shade)),
+					   /mob/living/simple_animal/revenant, /mob/living/simple_animal/shade, /mob/living/simple_animal/horror)),
 					   "aliens"   = typecacheof(list(/mob/living/carbon/alien, /mob/living/simple_animal/slime)),
 					   "conspiracies" = typecacheof(list(/mob/living/simple_animal/bot/secbot, /mob/living/simple_animal/bot/ed209, /mob/living/simple_animal/drone,
 					   /mob/living/simple_animal/pet/penguin)),
@@ -115,7 +115,7 @@ SUBSYSTEM_DEF(traumas)
 						/obj/item/clothing/suit/cultrobes, /obj/item/clothing/suit/space/hardsuit/cult,
 						/obj/item/clothing/suit/hooded/cultrobes, /obj/item/clothing/head/hooded/cult_hoodie, /obj/effect/rune,
 						/obj/item/stack/sheet/runed_metal, /obj/machinery/door/airlock/cult, /obj/singularity/narsie,
-						/obj/item/soulstone,
+						/obj/item/soulstone, /obj/item/horrortentacle,
 						/obj/structure/destructible/clockwork, /obj/item/clockwork, /obj/item/clothing/suit/armor/clockwork,
 						/obj/item/clothing/glasses/judicial_visor, /obj/effect/clockwork/sigil/, /obj/item/stack/tile/brass,
 						/obj/machinery/door/airlock/clockwork,
@@ -142,7 +142,7 @@ SUBSYSTEM_DEF(traumas)
 
 					   "anime" = typecacheof(list(/obj/item/clothing/under/schoolgirl, /obj/item/katana, /obj/item/reagent_containers/food/snacks/sashimi, /obj/item/reagent_containers/food/snacks/chawanmushi,
 					   /obj/item/reagent_containers/food/drinks/bottle/sake, /obj/item/throwing_star, /obj/item/clothing/head/kitty/genuine, /obj/item/clothing/suit/space/space_ninja,
-					   /obj/item/clothing/mask/gas/space_ninja, /obj/item/clothing/shoes/space_ninja, /obj/item/clothing/gloves/space_ninja, /obj/item/twohanded/vibro_weapon,
+					   /obj/item/clothing/mask/gas/space_ninja, /obj/item/clothing/shoes/space_ninja, /obj/item/clothing/gloves/space_ninja, /obj/item/twohanded/vibro_weapon, /obj/item/horrortentacle,
 					   /obj/item/nullrod/scythe/vibro, /obj/item/energy_katana, /obj/item/toy/katana, /obj/item/nullrod/claymore/katana, /obj/structure/window/paperframe, /obj/structure/mineral_door/paperframe))
 						)
 

code/game/objects/effects/temporary_visuals/miscellaneous.dm

@@ -483,3 +483,8 @@
 	layer = FLY_LAYER
 	duration = 0.48 SECONDS
 	mouse_opacity = 0
+
+/obj/effect/temp_visual/summon
+	randomdir = 0
+	duration = 20
+	icon_state = "summon"

code/game/objects/items/devices/scanners.dm

@@ -200,6 +200,9 @@ GENE SCANNER
 			to_chat(user, "\t[span_info("Subject is allergic to the chemical [C.allergies].")]")
 	if(advanced)
 		to_chat(user, "\t[span_info("Brain Activity Level: [(200 - M.getOrganLoss(ORGAN_SLOT_BRAIN))/2]%.")]")
+		if(M.has_horror_inside())
+			to_chat(user, "\t[span_alert("Detected parasitic organism residing in the cranial area.")]")
+			to_chat(user, "\t[span_alert("Recommended course of action: <b>head organ manipulation surgery</b>.")]")
 
 	if (M.radiation)
 		to_chat(user, "\t[span_alert("Subject is irradiated.")]")

code/modules/admin/sql_ban_system.dm

@@ -266,10 +266,10 @@
 				break_counter++
 			output += "</div></div>"
 		var/list/long_job_lists = list("Civilian" = GLOB.original_civilian_positions,
-									"Ghost and Other Roles" = list(ROLE_BRAINWASHED, ROLE_DEATHSQUAD, ROLE_DRONE, ROLE_FUGITIVE, ROLE_HOLOPARASITE, ROLE_LAVALAND, ROLE_MIND_TRANSFER, ROLE_POSIBRAIN, ROLE_SENTIENCE),
+									"Ghost and Other Roles" = list(ROLE_BRAINWASHED, ROLE_DEATHSQUAD, ROLE_DRONE, ROLE_FUGITIVE, ROLE_HOLOPARASITE, ROLE_HORROR, ROLE_LAVALAND, ROLE_MIND_TRANSFER, ROLE_POSIBRAIN, ROLE_SENTIENCE),
 									"Antagonist Positions" = list(ROLE_ABDUCTOR, ROLE_ALIEN, ROLE_BLOB,
 									ROLE_BROTHER, ROLE_CHANGELING, ROLE_CULTIST,
-									ROLE_DEVIL, ROLE_FUGITIVE, ROLE_HOLOPARASITE, ROLE_INTERNAL_AFFAIRS, ROLE_MALF,
+									ROLE_DEVIL, ROLE_FUGITIVE, ROLE_HOLOPARASITE, ROLE_HORROR, ROLE_INTERNAL_AFFAIRS, ROLE_MALF,
 									ROLE_MONKEY, ROLE_NINJA, ROLE_OPERATIVE,
 									ROLE_REV, ROLE_REVENANT,
 									ROLE_REV_HEAD, ROLE_SERVANT_OF_RATVAR, ROLE_SYNDICATE,

code/modules/antagonists/changeling/powers/headcrab.dm

@@ -33,6 +33,9 @@
 		to_chat(S, span_userdanger("Your sensors are disabled by a shower of blood!"))
 		S.Paralyze(60)
 	var/turf = get_turf(user)
+	var/mob/living/simple_animal/horror/H = user.has_horror_inside()
+	if(H)
+		H.leave_victim()
 	user.gib()
 	. = TRUE
 	sleep(5) // So it's not killed in explosion

code/modules/antagonists/changeling/powers/panacea.dm

@@ -10,6 +10,13 @@
 //Heals the things that the other regenerative abilities don't.
 /datum/action/changeling/panacea/sting_action(mob/user)
 	to_chat(user, span_notice("We cleanse impurities from our form."))
+	var/mob/living/simple_animal/horror/H = user.has_horror_inside()
+	if(H)
+		H.leave_victim()
+		if(iscarbon(user))
+			var/mob/living/carbon/C = user
+			C.vomit(0, toxic = TRUE)
+			to_chat(user, span_notice("A parasite exits our form."))
 	..()
 	var/list/bad_organs = list(
 		user.getorgan(/obj/item/organ/body_egg),