diff --git a/code/modules/spells/spell_types/disguise.dm b/code/modules/spells/spell_types/disguise.dm
new file mode 100644
index 000000000000..37e1634176cc
--- /dev/null
+++ b/code/modules/spells/spell_types/disguise.dm
@@ -0,0 +1,79 @@
+/obj/effect/proc_holder/spell/disguise
+	name = "Mimicry"
+	desc = "Why fight your foes when you can simply outwit them? Disguises the caster as a random crewmember. The body-covering shell keeps your form as is, and protects you from body-altering effects."
+	invocation = "CONJR DIS GUISE"
+	invocation_type = "whisper"
+	school = "transmutation"
+	charge_max = 30 SECONDS
+	level_max = 2
+	cooldown_min = 25 SECONDS
+	clothes_req = FALSE
+	var/is_disguised = FALSE //Tells us if a disguise is currently up.
+	var/wasbeast = FALSE //We need this to make sure on can_cast, if they're found to be human and have this flag we can manually activate the uncloaking proc.
+	action_icon = 'icons/mob/actions/actions_spells.dmi'
+	action_icon_state = "disguise"
+
+/obj/effect/proc_holder/spell/disguise/can_cast(mob/user = usr)
+	if(!ishuman(user))
+		//We need to undo the cloak after non-humanoid disguises because when the wizard becomes a non human during the spell, it will mess up their sprite. But since they are non human, we can't actually undo the spell. This leaves our recloaking bugged as hell, and breaks a lot of stuff.
+		return FALSE
+	if(ishuman(user) && (wasbeast == TRUE))
+		addtimer(CALLBACK(src, .proc/undocloak, user), 2)
+	return TRUE
+
+/obj/effect/proc_holder/spell/disguise/choose_targets(mob/user = usr)
+	perform(user=user)
+
+/obj/effect/proc_holder/spell/disguise/cast(list/targets, mob/user = usr)
+	var/mob/living/carbon/human/C = user //Turns the user into a carbon, we'll need this later.
+	var/list/potentials = list()
+	for(var/mob/living/carbon/human/H in GLOB.carbon_list) //Checks all the humanoid mobs.
+		if(H.job) //Checks if they're crew.
+			potentials += H //Adds the crewmember to the list.
+	if(potentials.len == 0)
+		to_chat(C, span_notice("There's nobody to disguise as!"))
+		revert_cast(user)
+		return
+	var/mob/living/carbon/human/target = pick(potentials) //Picks a random subject from the viable targets.
+	cloak(C, target, user)
+
+
+
+/obj/effect/proc_holder/spell/disguise/proc/cloak(var/mob/living/carbon/human/C, var/mob/living/carbon/human/target, mob/user) //Code shortcut to enable the disguise.
+	if(is_disguised)
+		message_admins("[ADMIN_LOOKUPFLW(C)] just tried to disguise while disguised! That shouldn't happen!") 
+		return
+	new /obj/effect/temp_visual/dir_setting/ninja/cloak(get_turf(C), C.dir) //Disguise animation.
+	C.name_override = target.name
+	C.SetSpecialVoice(target.name)
+	C.icon = target.icon
+	C.icon_state = target.icon_state
+	C.cut_overlays()
+	C.add_overlay(target.get_overlays_copy(list(HANDS_LAYER)))
+	C.update_inv_hands()
+	log_game("[C.name] has disguised as [target.name]!") 
+	is_disguised = TRUE
+	addtimer(CALLBACK(src, .proc/undocloak, C), (15 SECONDS + (spell_level * 3 SECONDS)))
+		
+/obj/effect/proc_holder/spell/disguise/proc/undocloak(var/mob/living/carbon/human/C) //Code shortcut to disable the disguise.
+	if((ishuman(C) && (C.mind)) || wasbeast == TRUE) //Shapeshift spell takes out your mind, buckles you to a body, and then puts your mind in a summoned animal. We need this bullshit to both check that this is not happening, and then override it when we have to fix the bullshit.
+		new /obj/effect/temp_visual/dir_setting/ninja(get_turf(C), C.dir) //Makes an animation for disguising.
+		C.name_override = null
+		C.UnsetSpecialVoice()
+		C.cut_overlays()
+		C.regenerate_icons()
+		is_disguised = FALSE
+		wasbeast = FALSE
+		return
+	else
+		wasbeast = TRUE //Unfortunately we need this to counter shapeshifting bullshit, sets up the caster to immediatly revert when becoming human.
+
+/datum/spellbook_entry/disguise //Spellbook entry, needed for the spell to be purchasable in game.
+	name = "Mimicry"
+	spell_type = /obj/effect/proc_holder/spell/disguise
+	category = "Assistance"
+	cost = 1
+
+
+
+
diff --git a/icons/mob/actions/actions_spells.dmi b/icons/mob/actions/actions_spells.dmi
index 82ba375a4fe8..57d77c67c5ca 100644
Binary files a/icons/mob/actions/actions_spells.dmi and b/icons/mob/actions/actions_spells.dmi differ
diff --git a/yogstation.dme b/yogstation.dme
index 64e9489b28fd..811880cf3e5e 100644
--- a/yogstation.dme
+++ b/yogstation.dme
@@ -3126,6 +3126,7 @@
 #include "code\modules\spells\spell_types\devil.dm"
 #include "code\modules\spells\spell_types\devil_boons.dm"
 #include "code\modules\spells\spell_types\emplosion.dm"
+#include "code\modules\spells\spell_types\disguise.dm"
 #include "code\modules\spells\spell_types\ethereal_jaunt.dm"
 #include "code\modules\spells\spell_types\explosion.dm"
 #include "code\modules\spells\spell_types\forcewall.dm"