diff --git a/goon/icons/mob/slasher.dmi b/goon/icons/mob/slasher.dmi
new file mode 100644
index 000000000000..e0450ebc7ae9
Binary files /dev/null and b/goon/icons/mob/slasher.dmi differ
diff --git a/monkestation/code/modules/new_antagonists/slasher/abilities/_slasher_base.dm b/monkestation/code/modules/new_antagonists/slasher/abilities/_slasher_base.dm
new file mode 100644
index 000000000000..39266c43f671
--- /dev/null
+++ b/monkestation/code/modules/new_antagonists/slasher/abilities/_slasher_base.dm
@@ -0,0 +1,13 @@
+/datum/action/cooldown/slasher
+	name = "Slasher Possession"
+	desc = "You've been possessed by the Slasher"
+	button_icon = 'goon/icons/mob/slasher.dmi'
+	background_icon_state = "slasher_background"
+	button_icon = 'goon/icons/mob/slasher.dmi'
+	button_icon_state = "slasher_template"
+	buttontooltipstyle = "cult"
+	transparent_when_unavailable = TRUE
+
+
+/datum/action/cooldown/slasher/IsAvailable(feedback = FALSE)
+	return next_use_time <= world.time
diff --git a/monkestation/code/modules/new_antagonists/slasher/abilities/blood_walk.dm b/monkestation/code/modules/new_antagonists/slasher/abilities/blood_walk.dm
new file mode 100644
index 000000000000..f014c1261bb5
--- /dev/null
+++ b/monkestation/code/modules/new_antagonists/slasher/abilities/blood_walk.dm
@@ -0,0 +1,62 @@
+/datum/action/cooldown/slasher/blood_walk
+	name = "Blood Trail"
+	desc = "Begin trailing blood in your wake. Spooky! "
+	button_icon_state = "trail_blood"
+
+	cooldown_time = 30 SECONDS
+
+/datum/action/cooldown/slasher/blood_walk/Activate(atom/target)
+	. = ..()
+	if(isliving(target))
+		var/mob/living/mob_target = target
+		mob_target.set_timed_status_effect(15 SECONDS, /datum/status_effect/blood_trial)
+
+
+/datum/status_effect/blood_trial
+	id = "confusion"
+	alert_type = null
+
+/datum/status_effect/blood_trial/on_creation(mob/living/new_owner, duration = 15 SECONDS)
+	src.duration = duration
+	return ..()
+
+/datum/status_effect/blood_trial/on_apply()
+	RegisterSignal(owner, COMSIG_MOVABLE_MOVED, PROC_REF(on_move))
+	return TRUE
+
+/datum/status_effect/blood_trial/on_remove()
+	UnregisterSignal(owner, COMSIG_MOVABLE_MOVED)
+
+
+/datum/status_effect/blood_trial/proc/find_pool_by_blood_state(turf/turfLoc, typeFilter = null)
+	for(var/obj/effect/decal/cleanable/blood/pool in turfLoc)
+		if(pool.blood_state == BLOOD_STATE_HUMAN && (!typeFilter || istype(pool, typeFilter)))
+			return pool
+
+
+/datum/status_effect/blood_trial/proc/on_move(atom/movable/mover, turf/old_loc)
+	SIGNAL_HANDLER
+
+	var/turf/oldLocTurf = get_turf(old_loc)
+	var/obj/effect/decal/cleanable/blood/footprints/oldLocFP = find_pool_by_blood_state(oldLocTurf, /obj/effect/decal/cleanable/blood/footprints)
+	if(oldLocFP)
+		// Footprints found in the tile we left, add us to it
+		if (!(oldLocFP.exited_dirs & mover.dir))
+			oldLocFP.exited_dirs |= mover.dir
+			oldLocFP.update_appearance()
+
+	else
+		oldLocFP = new(oldLocTurf)
+		if(!QDELETED(oldLocFP)) ///prints merged
+			oldLocFP.blood_state = BLOOD_STATE_HUMAN
+			oldLocFP.exited_dirs |= mover.dir
+			oldLocFP.bloodiness = 100
+			oldLocFP.update_appearance()
+
+	var/obj/effect/decal/cleanable/blood/footprints/FP = new(get_turf(100))
+	if(!QDELETED(FP)) ///prints merged
+		FP.blood_state = BLOOD_STATE_HUMAN
+		FP.entered_dirs |= mover.dir
+		FP.bloodiness = 100
+		FP.update_appearance()
+
diff --git a/monkestation/code/modules/new_antagonists/slasher/abilities/incorporealize.dm b/monkestation/code/modules/new_antagonists/slasher/abilities/incorporealize.dm
new file mode 100644
index 000000000000..33e6a2e03db3
--- /dev/null
+++ b/monkestation/code/modules/new_antagonists/slasher/abilities/incorporealize.dm
@@ -0,0 +1,32 @@
+/datum/action/cooldown/slasher/incorporealize
+	name = "Incorporealize"
+	desc = " Become incorporeal, capable of moving through walls and being completely invisible, but unable to interact with the world. Can only be used when corporeal and when not in view of any human being. "
+	button_icon_state = "incorporealize"
+	cooldown_time = 20 SECONDS
+
+	var/flipped = FALSE
+
+/datum/action/cooldown/slasher/incorporealize/PreActivate(atom/target)
+	. = ..()
+	if(!do_after(target, 1.5 SECONDS, get_turf(target)))
+		return FALSE
+
+	if(!flipped)
+		for(var/mob/living/watchers in view(9, target) - target)
+			target.balloon_alert(owner, "you can only vanish unseen.")
+			return FALSE
+	return TRUE
+
+/datum/action/cooldown/slasher/incorporealize/Activate(atom/target)
+	. = ..()
+
+	flipped = !flipped
+
+	if(flipped)
+		name = "Corporealize"
+		desc = "Manifest your being from your incorporeal state."
+		button_icon_state = "corporealize"
+	else
+		name = "Incorporealize"
+		desc = " Become incorporeal, capable of moving through walls and being completely invisible, but unable to interact with the world. Can only be used when corporeal and when not in view of any human being. "
+		button_icon_state = "incorporealize"
diff --git a/monkestation/code/modules/ocean_content/hotspot/trench_map.dm b/monkestation/code/modules/ocean_content/hotspot/trench_map.dm
index 792371c59720..9ca987c584c8 100644
--- a/monkestation/code/modules/ocean_content/hotspot/trench_map.dm
+++ b/monkestation/code/modules/ocean_content/hotspot/trench_map.dm
@@ -122,6 +122,7 @@
 	ui_interact(user)
 
 /obj/item/sea_map/ui_interact(mob/user, datum/tgui/ui)
+	user.client << browse_rsc(SShotspots.map, "trenchmap.png")
 	ui = SStgui.try_update_ui(user, src, ui)
 	if(!ui)
 		ui = new(user, src, "TrenchMap", name)
diff --git a/tgstation.dme b/tgstation.dme
index d2581ffb9eaf..968e3e5c8535 100644
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -6023,6 +6023,9 @@
 #include "monkestation\code\modules\mob\living\carbon\human\species_type\zombies.dm"
 #include "monkestation\code\modules\mob\living\simple_animal\pets\bees.dm"
 #include "monkestation\code\modules\mob\living\simple_animal\pets\honk_platinum.dm"
+#include "monkestation\code\modules\new_antagonists\slasher\abilities\_slasher_base.dm"
+#include "monkestation\code\modules\new_antagonists\slasher\abilities\blood_walk.dm"
+#include "monkestation\code\modules\new_antagonists\slasher\abilities\incorporealize.dm"
 #include "monkestation\code\modules\ocean_content\department_consoles\engineering.dm"
 #include "monkestation\code\modules\ocean_content\fluff\barrier.dm"
 #include "monkestation\code\modules\ocean_content\fluff\base_turf_editor.dm"