diff --git a/code/_onclick/hud/alert.dm b/code/_onclick/hud/alert.dm
index 180e5a55e64..2eb3d0b36ed 100644
--- a/code/_onclick/hud/alert.dm
+++ b/code/_onclick/hud/alert.dm
@@ -308,6 +308,11 @@ or shoot a gun to move around via Newton's 3rd Law of Motion."
 		var/mob/living/L = usr
 		return L.resist()
 
+//Constructs
+/obj/screen/alert/holy_fire
+	name = "Holy Fire"
+	desc = "Your body is crumbling from the holy energies. Get out."
+	icon_state = "fire"
 
 //ALIENS
 
diff --git a/code/datums/spell.dm b/code/datums/spell.dm
index 6590876ea2f..fe2cc8e346b 100644
--- a/code/datums/spell.dm
+++ b/code/datums/spell.dm
@@ -121,6 +121,8 @@ GLOBAL_LIST_INIT(spells, typesof(/obj/effect/proc_holder/spell))
 
 	var/critfailchance = 0
 	var/centcom_cancast = TRUE //Whether or not the spell should be allowed on the admin zlevel
+	/// Whether or not the spell functions in a holy place
+	var/holy_area_cancast = TRUE
 
 	var/datum/action/spell_action/action = null
 	var/action_icon = 'icons/mob/actions/actions.dmi'
@@ -561,6 +563,9 @@ GLOBAL_LIST_INIT(spells, typesof(/obj/effect/proc_holder/spell))
 	if(is_admin_level(user.z) && !centcom_cancast) //Certain spells are not allowed on the centcom zlevel
 		return 0
 
+	if(!holy_area_cancast && user.holy_check())
+		return FALSE
+
 	if(charge_check)
 		switch(charge_type)
 			if("recharge")
diff --git a/code/datums/spells/construct_spells.dm b/code/datums/spells/construct_spells.dm
index 57dd43ad38c..071a8125b10 100644
--- a/code/datums/spells/construct_spells.dm
+++ b/code/datums/spells/construct_spells.dm
@@ -18,6 +18,7 @@
 	range = 0
 	summon_type = list(/turf/simulated/floor/engine/cult)
 	centcom_cancast = FALSE //Stop crashing the server by spawning turfs on transit tiles
+	holy_area_cancast = FALSE //Stops cult magic from working on holy ground eg: chapel
 
 /obj/effect/proc_holder/spell/aoe_turf/conjure/wall
 	name = "Summon Cult Wall"
@@ -32,6 +33,7 @@
 	range = 0
 	summon_type = list(/turf/simulated/wall/cult/artificer) //we don't want artificer-based runed metal farms
 	centcom_cancast = FALSE //Stop crashing the server by spawning turfs on transit tiles
+	holy_area_cancast = FALSE //Stops cult magic from working on holy ground eg: chapel
 
 /obj/effect/proc_holder/spell/aoe_turf/conjure/wall/reinforced
 	name = "Greater Construction"
@@ -43,6 +45,7 @@
 	invocation_type = "none"
 	range = 0
 	centcom_cancast = FALSE //Stop crashing the server by spawning turfs on transit tiles
+	holy_area_cancast = FALSE //Stops cult magic from working on holy ground eg: chapel
 	delay = 50
 
 	summon_type = list(/turf/simulated/wall/r_wall)
@@ -58,6 +61,7 @@
 	invocation = "none"
 	invocation_type = "none"
 	range = 0
+	holy_area_cancast = FALSE //Stops cult magic from working on holy ground eg: chapel
 
 	summon_type = list(/obj/item/soulstone)
 
@@ -77,6 +81,7 @@
 	invocation = "none"
 	invocation_type = "none"
 	range = 0
+	holy_area_cancast = FALSE //Stops cult magic from working on holy ground eg: chapel
 
 	summon_type = list(/obj/structure/cult/functional/pylon)
 
@@ -92,6 +97,7 @@
 	invocation = "none"
 	invocation_type = "none"
 	range = 0
+	holy_area_cancast = FALSE //Stops cult magic from working on holy ground eg: chapel
 	summon_type = list(/obj/effect/forcefield/cult)
 	summon_lifespan = 200
 
@@ -111,6 +117,7 @@
 	clothes_req = FALSE
 	invocation = "none"
 	invocation_type = "none"
+	holy_area_cancast = FALSE //Stops cult magic from working on holy ground eg: chapel
 	jaunt_in_time = 12
 	jaunt_in_type = /obj/effect/temp_visual/dir_setting/wraith
 	jaunt_out_type = /obj/effect/temp_visual/dir_setting/wraith/out
@@ -137,6 +144,7 @@
 	clothes_req = FALSE
 	invocation = "none"
 	invocation_type = "none"
+	holy_area_cancast = FALSE //Stops cult magic from working on holy ground eg: chapel
 	proj_lifespan = 10
 	max_targets = 6
 
@@ -150,6 +158,7 @@
 	clothes_req = FALSE
 	invocation = "none"
 	invocation_type = "none"
+	holy_area_cancast = FALSE //Stops cult magic from working on holy ground eg: chapel
 	range = -1
 	include_user = 1
 	cooldown_min = 20 //25 deciseconds reduction per rank
diff --git a/code/game/area/ss13_areas.dm b/code/game/area/ss13_areas.dm
index ad9bd70098e..3666ba2fdfc 100644
--- a/code/game/area/ss13_areas.dm
+++ b/code/game/area/ss13_areas.dm
@@ -971,6 +971,7 @@ NOTE: there are two lists of areas in the end of this file: centcom and station
 	ambientsounds = HOLY_SOUNDS
 	is_haunted = TRUE
 	sound_environment = SOUND_AREA_LARGE_ENCLOSED
+	valid_territory = FALSE
 
 /area/chapel/main
 	name = "\improper Chapel"
diff --git a/code/game/gamemodes/cult/blood_magic.dm b/code/game/gamemodes/cult/blood_magic.dm
index 47a979fd108..f9d4edb105c 100644
--- a/code/game/gamemodes/cult/blood_magic.dm
+++ b/code/game/gamemodes/cult/blood_magic.dm
@@ -123,6 +123,8 @@
 	return ..()
 
 /datum/action/innate/cult/blood_spell/Activate()
+	if(owner.holy_check())
+		return
 	if(magic_path) // If this spell flows from the hand
 		if(!hand_magic) // If you don't already have the spell active
 			hand_magic = new magic_path(owner, src)
@@ -178,6 +180,8 @@
 	..()
 
 /datum/action/innate/cult/blood_spell/emp/Activate()
+	if(owner.holy_check())
+		return
 	owner.visible_message("<span class='warning'>[owner]'s body flashes a bright blue!</span>", \
 						 "<span class='cultitalic'>You speak the cursed words, channeling an electromagnetic pulse from your body.</span>")
 	owner.emp_act(2)
@@ -279,6 +283,8 @@
 	if(ranged_ability_user.incapacitated() || !iscultist(user))
 		user.ranged_ability.remove_ranged_ability(user)
 		return
+	if(user.holy_check())
+		return
 	var/turf/T = get_turf(ranged_ability_user)
 	if(!isturf(T))
 		return FALSE
@@ -305,6 +311,8 @@
 	var/revealing = FALSE //if it reveals or not
 
 /datum/action/innate/cult/blood_spell/veiling/Activate()
+	if(owner.holy_check())
+		return
 	if(!revealing) // Hiding stuff
 		owner.visible_message("<span class='warning'>Thin grey dust falls from [owner]'s hand!</span>", \
 		"<span class='cultitalic'>You invoke the veiling spell, hiding nearby runes and cult structures.</span>")
@@ -425,6 +433,8 @@
 	var/mob/living/L = target
 	if(iscultist(target))
 		return
+	if(user.holy_check())
+		return
 	user.visible_message("<span class='warning'>[user] holds up [user.p_their()] hand, which explodes in a flash of red light!</span>", \
 							"<span class='cultitalic'>You attempt to stun [L] with the spell!</span>")
 
@@ -461,6 +471,8 @@
 	invocation = "Sas'so c'arta forbici!"
 
 /obj/item/melee/blood_magic/teleport/afterattack(atom/target, mob/living/carbon/user, proximity)
+	if(user.holy_check())
+		return
 	var/list/potential_runes = list()
 	var/list/teleportnames = list()
 	var/list/duplicaterunecount = list()
@@ -526,6 +538,8 @@
 	color = "#000000" // black
 
 /obj/item/melee/blood_magic/shackles/afterattack(atom/target, mob/living/carbon/user, proximity)
+	if(user.holy_check())
+		return
 	if(iscarbon(target) && proximity)
 		var/mob/living/carbon/C = target
 		if(C.canBeHandcuffed() || C.get_arm_ignore())
@@ -584,6 +598,8 @@
 	Airlocks into brittle runed airlocks after a delay (harm intent)"}
 
 /obj/item/melee/blood_magic/construction/afterattack(atom/target, mob/user, proximity_flag, click_parameters)
+	if(user.holy_check())
+		return
 	if(proximity_flag)
 		if(channeling)
 			to_chat(user, "<span class='cultitalic'>You are already invoking twisted construction!</span>")
@@ -638,6 +654,8 @@
 	color = "#33cc33" // green
 
 /obj/item/melee/blood_magic/armor/afterattack(atom/target, mob/living/carbon/user, proximity)
+	if(user.holy_check())
+		return
 	if(iscarbon(target) && proximity)
 		uses--
 		var/mob/living/carbon/C = target
@@ -661,6 +679,8 @@
 	has_source = FALSE //special, only availible for a blood cost.
 
 /obj/item/melee/blood_magic/empower/afterattack(atom/target, mob/user, proximity_flag, click_parameters)
+	if(user.holy_check())
+		return
 	if(proximity_flag)
 
 		// Shielded suit
@@ -708,6 +728,8 @@
 
 // This should really be split into multiple procs
 /obj/item/melee/blood_magic/manipulator/afterattack(atom/target, mob/living/carbon/human/user, proximity)
+	if(user.holy_check())
+		return
 	if(proximity)
 		if(ishuman(target))
 			var/mob/living/carbon/human/H = target
@@ -848,6 +870,8 @@
 			uses += max(1, temp)
 
 /obj/item/melee/blood_magic/manipulator/attack_self(mob/living/user)
+	if(user.holy_check())
+		return
 	var/list/options = list("Blood Orb (50)" = image(icon = 'icons/obj/cult.dmi', icon_state = "summoning_orb"),
 							"Blood Recharge (75)" = image(icon = 'icons/mob/actions/actions_cult.dmi', icon_state = "blood_charge"),
 							"Blood Spear (150)" = image(icon = 'icons/mob/actions/actions_cult.dmi', icon_state = "bloodspear"),
diff --git a/code/game/gamemodes/cult/cult_actions.dm b/code/game/gamemodes/cult/cult_actions.dm
index ab81f253a32..25a9275f684 100644
--- a/code/game/gamemodes/cult/cult_actions.dm
+++ b/code/game/gamemodes/cult/cult_actions.dm
@@ -27,6 +27,10 @@
 /datum/action/innate/cult/comm/proc/cultist_commune(mob/living/user, message)
 	if(!user || !message)
 		return
+
+	if(user.holy_check())
+		return
+
 	if(!user.can_speak())
 		to_chat(user, "<span class='warning'>You can't speak!</span>")
 		return
diff --git a/code/game/gamemodes/cult/cult_items.dm b/code/game/gamemodes/cult/cult_items.dm
index 24ffbb96ce3..720dc4db4a0 100644
--- a/code/game/gamemodes/cult/cult_items.dm
+++ b/code/game/gamemodes/cult/cult_items.dm
@@ -159,7 +159,7 @@
 		user.Weaken(5)
 
 /obj/item/clothing/suit/hooded/cultrobes/cult_shield/hit_reaction(mob/living/carbon/human/owner, atom/movable/hitby, attack_text = "the attack", final_block_chance = 0, damage = 0, attack_type = MELEE_ATTACK)
-	if(current_charges)
+	if(current_charges && !owner.holy_check())
 		owner.visible_message("<span class='danger'>[attack_text] is deflected in a burst of blood-red sparks!</span>")
 		current_charges--
 		playsound(loc, "sparks", 100, TRUE, SHORT_RANGE_SOUND_EXTRARANGE)
@@ -321,6 +321,7 @@
 		. = pulled
 
 /obj/item/cult_shift/attack_self(mob/user)
+
 	if(!uses || !iscarbon(user))
 		to_chat(user, "<span class='warning'>[src] is dull and unmoving in your hands.</span>")
 		return
@@ -329,7 +330,8 @@
 		step(src, pick(GLOB.alldirs))
 		to_chat(user, "<span class='warning'>[src] flickers out of your hands, too eager to move!</span>")
 		return
-
+	if(user.holy_check())
+		return
 	var/outer_tele_radius = 9
 
 	var/mob/living/carbon/C = user
@@ -439,7 +441,7 @@
   * The illusion has a 60% chance to be hostile and attack non-cultists, and a 40% chance to just run away from the user.
   */
 /obj/item/shield/mirror/hit_reaction(mob/living/carbon/human/owner, atom/movable/hitby, attack_text = "the attack", final_block_chance = 0, damage = 0, attack_type = MELEE_ATTACK)
-	if(iscultist(owner)) // Cultist holding the shield
+	if(iscultist(owner) && !owner.holy_check()) // Cultist holding the shield
 
 		// Hit by a projectile
 		if(istype(hitby, /obj/item/projectile))
@@ -514,6 +516,10 @@
 
 /obj/item/shield/mirror/IsReflect()
 	if(prob(reflect_chance))
+		if(istype(loc, /mob))
+			var/mob/user = loc
+			if(user.holy_check())
+				return FALSE
 		return TRUE
 	return FALSE
 
@@ -599,7 +605,7 @@
 	spear = blood_spear
 
 /datum/action/innate/cult/spear/Activate()
-	if(owner == spear.loc || cooldown > world.time)
+	if(owner == spear.loc || cooldown > world.time || owner.holy_check())
 		return
 	var/ST = get_turf(spear)
 	var/OT = get_turf(owner)
@@ -625,6 +631,12 @@
 	fire_sound = 'sound/magic/wand_teleport.ogg'
 	flags = NOBLUDGEON | DROPDEL
 
+/obj/item/gun/projectile/shotgun/boltaction/enchanted/arcane_barrage/blood/afterattack(atom/target, mob/living/user, flag, params)
+	if(user.holy_check())
+		return
+	..()
+
+
 /obj/item/ammo_box/magazine/internal/boltaction/enchanted/arcane_barrage/blood
 	ammo_type = /obj/item/ammo_casing/magic/arcane_barrage/blood
 
diff --git a/code/game/gamemodes/cult/cult_structures.dm b/code/game/gamemodes/cult/cult_structures.dm
index 1638fa00faf..8eae3876082 100644
--- a/code/game/gamemodes/cult/cult_structures.dm
+++ b/code/game/gamemodes/cult/cult_structures.dm
@@ -58,6 +58,8 @@
 
 /obj/structure/cult/functional/attackby(obj/item/I, mob/user, params)
 	if(istype(I, /obj/item/melee/cultblade/dagger) && iscultist(user))
+		if(user.holy_check())
+			return
 		anchored = !anchored
 		to_chat(user, "<span class='notice'>You [anchored ? "":"un"]secure [src] [anchored ? "to":"from"] the floor.</span>")
 		if(!anchored)
diff --git a/code/game/gamemodes/cult/runes.dm b/code/game/gamemodes/cult/runes.dm
index 8c725b41898..203d370af8b 100644
--- a/code/game/gamemodes/cult/runes.dm
+++ b/code/game/gamemodes/cult/runes.dm
@@ -142,6 +142,8 @@ fail_invoke() is called when the rune fails, via not enough people around or oth
 structure_check() searches for nearby cultist structures required for the invocation. Proper structures are pylons, forges, archives, and altars.
 */
 /obj/effect/rune/proc/can_invoke(mob/living/user)
+	if(user.holy_check())
+		return
 	//This proc determines if the rune can be invoked at the time. If there are multiple required cultists, it will find all nearby cultists.
 	var/list/invokers = list() //people eligible to invoke the rune
 	var/list/chanters = list() //people who will actually chant the rune when passed to invoke()
diff --git a/code/game/gamemodes/miniantags/revenant/revenant.dm b/code/game/gamemodes/miniantags/revenant/revenant.dm
index fa5af6b12ff..b1e9b2644a5 100644
--- a/code/game/gamemodes/miniantags/revenant/revenant.dm
+++ b/code/game/gamemodes/miniantags/revenant/revenant.dm
@@ -234,6 +234,8 @@
 /mob/living/simple_animal/revenant/proc/castcheck(essence_cost)
 	if(!src)
 		return
+	if(holy_check(src))
+		return
 	var/turf/T = get_turf(src)
 	if(istype(T, /turf/simulated/wall))
 		to_chat(src, "<span class='revenwarning'>You cannot use abilities from inside of a wall.</span>")
diff --git a/code/game/gamemodes/vampire/vampire_powers.dm b/code/game/gamemodes/vampire/vampire_powers.dm
index 0340352412a..36a24113dc9 100644
--- a/code/game/gamemodes/vampire/vampire_powers.dm
+++ b/code/game/gamemodes/vampire/vampire_powers.dm
@@ -7,10 +7,12 @@
 	range = 1
 	charge_max = 1800
 	action_background_icon_state = "bg_vampire"
+	holy_area_cancast = FALSE //Stops cult magic from working on holy ground eg: chapel
 	var/required_blood = 0
 	var/gain_desc = null
 	var/deduct_blood_on_cast = TRUE  //Do we want to take the blood when this is cast, or at a later point?
 
+
 /obj/effect/proc_holder/spell/vampire/New()
 	..()
 	if(!gain_desc)
@@ -40,10 +42,6 @@
 	if(vampire.bloodusable < required_blood)
 		to_chat(user, "<span class='warning'>You require at least [required_blood] units of usable blood to do that!</span>")
 		return 0
-	//chapel check
-	if(istype(loc.loc, /area/chapel) && !fullpower)
-		to_chat(user, "<span class='warning'>Your powers are useless on this holy ground.</span>")
-		return 0
 	return ..()
 
 /obj/effect/proc_holder/spell/vampire/can_cast(mob/user = usr, charge_check = TRUE, show_message = FALSE)
diff --git a/code/game/objects/items/stacks/sheets/sheet_types.dm b/code/game/objects/items/stacks/sheets/sheet_types.dm
index 99dee4e4961..c3fefa499dd 100644
--- a/code/game/objects/items/stacks/sheets/sheet_types.dm
+++ b/code/game/objects/items/stacks/sheets/sheet_types.dm
@@ -378,6 +378,8 @@ GLOBAL_LIST_INIT(cult_recipes, list ( \
 	if(!iscultist(user))
 		to_chat(user, "<span class='warning'>Only one with forbidden knowledge could hope to work this metal...</span>")
 		return
+	if(usr.holy_check())
+		return
 	if(!is_level_reachable(user.z))
 		to_chat(user, "<span class='warning'>The energies of this place interfere with the metal shaping!</span>")
 		return
diff --git a/code/game/objects/items/stacks/stack.dm b/code/game/objects/items/stacks/stack.dm
index 7e331206016..f6d55c99669 100644
--- a/code/game/objects/items/stacks/stack.dm
+++ b/code/game/objects/items/stacks/stack.dm
@@ -25,7 +25,7 @@
 	var/to_transfer = 0
 	var/max_amount = 50 //also see stack recipes initialisation, param "max_res_amount" must be equal to this max_amount
 	var/merge_type = null // This path and its children should merge with this stack, defaults to src.type
-	var/recipe_width = 400 //Width of the recipe popup 
+	var/recipe_width = 400 //Width of the recipe popup
 	var/recipe_height = 400 //Height of the recipe popup
 
 /obj/item/stack/New(loc, new_amount, merge = TRUE)
@@ -209,9 +209,15 @@
 			to_chat(usr, "<span class='warning'>\The [R.title] must be constructed on the floor!</span>")
 			return FALSE
 
-		if(R.no_cult_structure && (locate(/obj/structure/cult) in usr.drop_location()))
-			to_chat(usr, "<span class='warning'>There is a structure here!</span>")
-			return FALSE
+		if(R.no_cult_structure)
+			if(usr.holy_check())
+				return
+			if(!is_level_reachable(usr.z))
+				to_chat(usr, "<span class='warning'>The energies of this place interfere with the metal shaping!</span>")
+				return
+			if(locate(/obj/structure/cult) in usr.drop_location())
+				to_chat(usr, "<span class='warning'>There is a structure here!</span>")
+				return FALSE
 
 		if(R.time)
 			to_chat(usr, "<span class='notice'>Building [R.title] ...</span>")
diff --git a/code/modules/mob/living/simple_animal/constructs.dm b/code/modules/mob/living/simple_animal/constructs.dm
index 2e0f90ec24e..9d18bfbd53f 100644
--- a/code/modules/mob/living/simple_animal/constructs.dm
+++ b/code/modules/mob/living/simple_animal/constructs.dm
@@ -94,6 +94,17 @@
 /mob/living/simple_animal/hostile/construct/electrocute_act(shock_damage, source, siemens_coeff = 1, flags = NONE)
 	return FALSE
 
+/mob/living/simple_animal/hostile/construct/Life(seconds, times_fired)
+	if(holy_check(src))
+		throw_alert("holy_fire", /obj/screen/alert/holy_fire, override = TRUE)
+		visible_message("<span class='danger'>[src] slowly crumbles to dust in this holy place!</span>", \
+			"<span class='danger'>Your shell burns as you crumble to dust in this holy place!</span>")
+		playsound(loc, 'sound/items/welder.ogg', 150, TRUE)
+		adjustBruteLoss(maxHealth/8)
+	else
+		clear_alert("holy_fire", clear_override = TRUE)
+	return ..()
+
 /////////////////Juggernaut///////////////
 
 
diff --git a/code/modules/mob/mob.dm b/code/modules/mob/mob.dm
index d9df2550ae9..24d95fa1534 100644
--- a/code/modules/mob/mob.dm
+++ b/code/modules/mob/mob.dm
@@ -1461,3 +1461,31 @@ GLOBAL_LIST_INIT(slot_equipment_priority, list( \
  */
 /mob/proc/update_runechat_msg_location()
 	return
+
+GLOBAL_LIST_INIT(holy_areas, typecacheof(list(
+	/area/chapel
+)))
+
+/mob/proc/holy_check()
+	if(!is_type_in_typecache(loc.loc, GLOB.holy_areas))
+		return FALSE
+
+	if(!mind)
+		return FALSE
+
+	//Allows fullpower vampires to bypass holy areas
+	var/datum/vampire/vampire = mind.vampire
+	if(vampire && vampire.get_ability(/datum/vampire_passive/full))
+		return FALSE
+
+	//Allows cult to bypass holy areas once they summon
+	var/datum/game_mode/gamemode = SSticker.mode
+	if(iscultist(src) && gamemode.cult_objs.cult_status == NARSIE_HAS_RISEN)
+		return FALSE
+
+	//Execption for Holy Constructs
+	if(isconstruct(src) && !iscultist(src))
+		return FALSE
+
+	to_chat(src, "<span class='warning'>Your powers are useless on this holy ground.</span>")
+	return TRUE