diff --git a/code/_globalvars/game_modes.dm b/code/_globalvars/game_modes.dm
index 6ea7cc1d8ed..3f8ec321470 100644
--- a/code/_globalvars/game_modes.dm
+++ b/code/_globalvars/game_modes.dm
@@ -5,4 +5,6 @@ var/wavesecret = 0 // meteor mode, delays wave progression, terrible name
 var/datum/station_state/start_state = null // Used in round-end report
 
 var/custom_event_msg = null
-var/custom_event_admin_msg = null
\ No newline at end of file
+var/custom_event_admin_msg = null
+
+var/list/summon_spots = list()
diff --git a/code/game/area/Space Station 13 areas.dm b/code/game/area/Space Station 13 areas.dm
index 7b7952b5f88..f83840dc3d2 100644
--- a/code/game/area/Space Station 13 areas.dm	
+++ b/code/game/area/Space Station 13 areas.dm	
@@ -30,6 +30,8 @@ NOTE: there are two lists of areas in the end of this file: centcom and station
 	luminosity = 0
 	mouse_opacity = 0
 	invisibility = INVISIBILITY_LIGHTING
+	var/valid_territory = TRUE //used for cult summoning areas on station zlevel
+	var/map_name // Set in New(); preserves the name set by the map maker, even if renamed by the Blueprints.
 	var/lightswitch = 1
 
 	var/eject = null
@@ -122,6 +124,7 @@ var/list/ghostteleportlocs = list()
 	power_light = 0
 	power_equip = 0
 	power_environ = 0
+	valid_territory = FALSE
 	outdoors = 1
 	ambientsounds = list('sound/ambience/ambispace.ogg','sound/music/title2.ogg','sound/music/space.ogg','sound/music/traitor.ogg')
 
@@ -150,6 +153,7 @@ var/list/ghostteleportlocs = list()
 /area/shuttle
 	no_teleportlocs = 1
 	requires_power = 0
+	valid_territory = FALSE
 
 /area/shuttle/arrival
 	name = "\improper Arrival Shuttle"
@@ -554,6 +558,7 @@ var/list/ghostteleportlocs = list()
 	name = "\improper Asteroid"
 	icon_state = "asteroid"
 	requires_power = 0
+	valid_territory = FALSE
 
 /area/asteroid/cave				// -- TLE
 	name = "\improper Asteroid - Underground"
@@ -881,6 +886,7 @@ var/list/ghostteleportlocs = list()
 //Maintenance
 /area/maintenance
 	ambientsounds = list('sound/ambience/ambimaint1.ogg', 'sound/ambience/ambimaint2.ogg', 'sound/ambience/ambimaint3.ogg', 'sound/ambience/ambimaint4.ogg', 'sound/ambience/ambimaint5.ogg')
+	valid_territory = FALSE
 
 /area/maintenance/atmos_control
 	name = "Atmospherics Maintenance"
@@ -1137,6 +1143,7 @@ var/list/ghostteleportlocs = list()
 /area/crew_quarters/sleep
 	name = "\improper Dormitories"
 	icon_state = "Sleep"
+	valid_territory = FALSE
 
 /area/crew_quarters/sleep_male
 	name = "\improper Male Dorm"
@@ -1372,6 +1379,7 @@ var/list/ghostteleportlocs = list()
 /area/solar
 	requires_power = 0
 	dynamic_lighting = 0
+	valid_territory = FALSE
 
 	auxport
 		name = "\improper Fore Port Solar Array"
@@ -1876,6 +1884,7 @@ area/security/podbay
 /area/toxins/test_area
 	name = "\improper Toxins Test Area"
 	icon_state = "toxtest"
+	valid_territory = FALSE
 
 /area/toxins/mixing
 	name = "\improper Toxins Mixing Room"
diff --git a/code/game/area/areas.dm b/code/game/area/areas.dm
index 0ac2f242b08..723d26a451a 100644
--- a/code/game/area/areas.dm
+++ b/code/game/area/areas.dm
@@ -25,6 +25,7 @@
 	layer = 10
 	uid = ++global_uid
 	all_areas += src
+	map_name = name // Save the initial (the name set in the map) name of the area.
 
 	if(type == /area)	// override defaults for space. TODO: make space areas of type /area/space rather than /area
 		requires_power = 1
diff --git a/code/game/gamemodes/cult/cult.dm b/code/game/gamemodes/cult/cult.dm
index a6c2214b9d7..2ac7d46dfba 100644
--- a/code/game/gamemodes/cult/cult.dm
+++ b/code/game/gamemodes/cult/cult.dm
@@ -1,3 +1,4 @@
+#define SUMMON_POSSIBILITIES 3
 var/global/list/all_cults = list()
 
 /datum/game_mode
@@ -106,6 +107,12 @@ var/global/list/all_cults = list()
 	modePlayer += cult
 	acolytes_needed = acolytes_needed + round((num_players_started() / 10))
 
+	if(!summon_spots.len)
+		while(summon_spots.len < SUMMON_POSSIBILITIES)
+			var/area/summon = pick(return_sorted_areas() - summon_spots)
+			if(summon && is_station_level(summon.z) && summon.valid_territory)
+				summon_spots += summon
+
 	for(var/datum/mind/cult_mind in cult)
 		equip_cultist(cult_mind.current)
 		cult_mind.current.faction |= "cult"
@@ -135,7 +142,7 @@ var/global/list/all_cults = list()
 				else
 					explanation = "Free objective."
 			if("eldergod")
-				explanation = "Summon [ticker.mode.cultdat.entity_name]. It will only work if nine cultists stand on and around it."
+				explanation = "Summon [ticker.mode.cultdat.entity_name] by invoking the 'Tear Reality' rune.<b>The summoning can only be accomplished in [english_list(summon_spots)] - where the veil is weak enough for the ritual to begin.</b>"
 		to_chat(cult_mind.current, "<B>Objective #[obj_count]</B>: [explanation]")
 		cult_mind.memory += "<B>Objective #[obj_count]</B>: [explanation]<BR>"
 
diff --git a/code/game/gamemodes/cult/cult_objectives.dm b/code/game/gamemodes/cult/cult_objectives.dm
index c9e951cf940..69b6de0c73e 100644
--- a/code/game/gamemodes/cult/cult_objectives.dm
+++ b/code/game/gamemodes/cult/cult_objectives.dm
@@ -109,10 +109,10 @@
 
 	if(prob(40))//split the chance of this
 		objectives += "eldergod"
-		explanation = "Summon [ticker.mode.cultdat.entity_name] on the Station via the use of the Tear Reality rune."
+		explanation = "Summon [ticker.mode.cultdat.entity_name] on the Station via the use of the Tear Reality rune. The veil is weak enough in [english_list(summon_spots)] for the ritual to begin."
 	else
 		objectives += "slaughter"
-		explanation = "Bring the Slaughter via the rune 'Bring forth the slaughter'."
+		explanation = "Bring the Slaughter via the rune 'Bring forth the slaughter'. The veil is weak enough in [english_list(summon_spots)] for the ritual to begin."
 
 	for(var/datum/mind/cult_mind in cult)
 		to_chat(cult_mind.current, "<span class='cult'>You and your acolytes have succeeded in preparing the station for the ultimate ritual!</span>")
diff --git a/code/game/gamemodes/cult/ritual.dm b/code/game/gamemodes/cult/ritual.dm
index 36ebc5d3dab..55d2a51de61 100644
--- a/code/game/gamemodes/cult/ritual.dm
+++ b/code/game/gamemodes/cult/ritual.dm
@@ -201,6 +201,7 @@
 
 /obj/item/weapon/tome/proc/finale_runes_ok(mob/living/user, obj/effect/rune/rune_to_scribe)
 	var/datum/game_mode/cult/cult_mode = ticker.mode
+	var/area/A = get_area(src)
 	if(GAMEMODE_IS_CULT)
 		if(!canbypass)//not an admin-tome, check things
 			if(!cult_mode.narsie_condition_cleared)
@@ -215,6 +216,9 @@
 			if(!((CULT_ELDERGOD in cult_mode.objectives) || (CULT_SLAUGHTER in cult_mode.objectives)))
 				to_chat(user, "<span class='warning'>[cult_mode.cultdat.entity_name]'s power does not wish to be unleashed!</span>")
 				return 0
+			if(!(A in summon_spots))
+				to_chat(user, "<span class='cultlarge'>[cult_mode.cultdat.entity_name] can only be summoned where the veil is weak - in [english_list(summon_spots)]!</span>")
+				return 0
 		var/confirm_final = alert(user, "This is the FINAL step to summon your deities power, it is a long, painful ritual and the crew will be alerted to your presence", "Are you prepared for the final battle?", "My life for [cult_mode.cultdat.entity_name]!", "No")
 		if(confirm_final == "No" || confirm_final == null)
 			to_chat(user, "<span class='cult'>You decide to prepare further before scribing the rune.</span>")
@@ -236,6 +240,7 @@
 	var/entered_rune_name
 	var/list/possible_runes = list()
 	var/list/shields = list()
+	var/area/A = get_area(src)
 	if(locate(/obj/effect/rune) in runeturf)
 		to_chat(user, "<span class='cult'>There is already a rune here.</span>")
 		return
@@ -261,6 +266,7 @@
 	if(!rune_to_scribe)
 		return
 	runeturf = get_turf(user) //we may have moved. adjust as needed...
+	A = get_area(src)
 	if(locate(/obj/effect/rune) in runeturf)
 		to_chat(user, "<span class='cult'>There is already a rune here.</span>")
 		return
@@ -268,7 +274,11 @@
 		return
 	if(ispath(rune_to_scribe, /obj/effect/rune/narsie) || ispath(rune_to_scribe, /obj/effect/rune/slaughter))//may need to change this - Fethas
 		if(finale_runes_ok(user,rune_to_scribe))
-			command_announcement.Announce("Figments from an eldritch god are being summoned somwhere on the station from an unknown dimension. Disrupt the ritual at all costs!","Central Command Higher Dimensional Affairs", 'sound/AI/spanomalies.ogg')
+			A = get_area(src)
+			if(!(A in summon_spots))  // Check again to make sure they didn't move
+				to_chat(user, "<span class='cultlarge'>The ritual can only begin where the veil is weak - in [english_list(summon_spots)]!</span>")
+				return
+			command_announcement.Announce("Figments from an eldritch god are being summoned somewhere on the station from an unknown dimension. Disrupt the ritual at all costs!","Central Command Higher Dimensional Affairs", 'sound/AI/spanomalies.ogg')
 			for(var/B in spiral_range_turfs(1, user, 1))
 				var/turf/T = B
 				var/obj/machinery/shield/N = new(T)