diff --git a/code/__DEFINES/mobs.dm b/code/__DEFINES/mobs.dm
index 8de2255c79..ea1397b680 100644
--- a/code/__DEFINES/mobs.dm
+++ b/code/__DEFINES/mobs.dm
@@ -376,6 +376,9 @@
 // Hellhound strain flags
 #define HELLHOUND_NORMAL "Normal"
 
+// Boss strain flags
+#define BOSS_NORMAL "Normal"
+
 var/list/default_onmob_icons = list(
 		WEAR_L_HAND = 'icons/mob/humans/onmob/items_lefthand_0.dmi',
 		WEAR_R_HAND = 'icons/mob/humans/onmob/items_righthand_0.dmi',
diff --git a/code/__DEFINES/xeno.dm b/code/__DEFINES/xeno.dm
index 878a591357..f6b1253b0e 100644
--- a/code/__DEFINES/xeno.dm
+++ b/code/__DEFINES/xeno.dm
@@ -650,6 +650,8 @@
 
 #define ALL_XENO_CASTES list(XENO_CASTE_LARVA, XENO_CASTE_PREDALIEN_LARVA, XENO_CASTE_FACEHUGGER, XENO_CASTE_LESSER_DRONE, XENO_CASTE_DRONE, XENO_CASTE_RUNNER, XENO_CASTE_SENTINEL, XENO_CASTE_DEFENDER, XENO_CASTE_BURROWER, XENO_CASTE_CARRIER, XENO_CASTE_HIVELORD, XENO_CASTE_LURKER, XENO_CASTE_WARRIOR, XENO_CASTE_SPITTER, XENO_CASTE_BOILER, XENO_CASTE_PRAETORIAN, XENO_CASTE_CRUSHER, XENO_CASTE_RAVAGER, XENO_CASTE_QUEEN, XENO_CASTE_PREDALIEN, XENO_CASTE_HELLHOUND)
 
+#define XENO_CASTE_XENOSURGE_BOSS_BOT "Interceptor"
+
 // Checks if two hives are allied to each other.
 // PARAMETERS:
 // source_hive integer  the hive to check the alliance of
diff --git a/code/game/objects/effects/decals/cleanable/blood/blood.dm b/code/game/objects/effects/decals/cleanable/blood/blood.dm
index 918797608b..aa5c0172af 100644
--- a/code/game/objects/effects/decals/cleanable/blood/blood.dm
+++ b/code/game/objects/effects/decals/cleanable/blood/blood.dm
@@ -178,3 +178,6 @@
 
 		if (step_to(src, get_step(src, direction), 0))
 			break
+
+/obj/effect/decal/cleanable/blood/oil
+	basecolor = "#220707"
diff --git a/code/modules/mob/living/carbon/xenomorph/Xenomorph.dm b/code/modules/mob/living/carbon/xenomorph/Xenomorph.dm
index f27616508d..97962e340a 100644
--- a/code/modules/mob/living/carbon/xenomorph/Xenomorph.dm
+++ b/code/modules/mob/living/carbon/xenomorph/Xenomorph.dm
@@ -343,6 +343,14 @@
 	var/atom/movable/vis_obj/xeno_wounds/wound_icon_holder
 	var/atom/movable/vis_obj/xeno_pack/backpack_icon_holder
 
+	//Xenosurge vars that go here for same reasons as above
+	var/boss_type = 0
+	//below should be safely disregarded if type is not set to 1
+	var/boss_stage = 1
+	var/explosion_damage = 30
+	var/aoe_delay = 40
+	var/missile_storm_missiles = 25
+
 /mob/living/carbon/xenomorph/Initialize(mapload, mob/living/carbon/xenomorph/oldXeno, h_number, ai_hard_off = FALSE)
 	var/area/A = get_area(src)
 	if(A && A.statistic_exempt)
@@ -1054,7 +1062,7 @@
 	. = ..()
 	if (. & IGNITE_IGNITED)
 		RegisterSignal(src, COMSIG_XENO_PRE_HEAL, PROC_REF(cancel_heal))
-		if(!caste || !(caste.fire_immunity & FIRE_IMMUNITY_NO_DAMAGE) || fire_reagent.fire_penetrating)
+		if(!caste || !(caste.fire_immunity & FIRE_IMMUNITY_NO_DAMAGE) || fire_reagent.fire_penetrating||boss_type == 1)
 			INVOKE_ASYNC(src, TYPE_PROC_REF(/mob, emote), "roar")
 
 /mob/living/carbon/xenomorph/ExtinguishMob()
diff --git a/code/modules/mob/living/carbon/xenomorph/abilities/boss/boss_abilities.dm b/code/modules/mob/living/carbon/xenomorph/abilities/boss/boss_abilities.dm
new file mode 100644
index 0000000000..cebc4119d0
--- /dev/null
+++ b/code/modules/mob/living/carbon/xenomorph/abilities/boss/boss_abilities.dm
@@ -0,0 +1,22 @@
+/datum/action/xeno_action/activable/surge_proj
+	name = "Living Target Sweep"
+	action_icon_state = "runner_bonespur"
+	ability_name = "Living Target Sweep"
+	macro_path = /datum/action/xeno_action/verb/surge_proj
+	action_type = XENO_ACTION_CLICK
+	ability_primacy = XENO_PRIMARY_ACTION_1
+	xeno_cooldown = 60
+	plasma_cost = 0
+
+	var/ammo_type = /datum/ammo/xeno/surge_proj
+
+
+/datum/action/xeno_action/activable/rapid_missles
+	name = "Missile Barrage"
+	action_icon_state = "runner_bonespur"
+	ability_name = "missile barrage"
+	macro_path = /datum/action/xeno_action/verb/rapid_missles
+	action_type = XENO_ACTION_CLICK
+	ability_primacy = XENO_PRIMARY_ACTION_2
+	xeno_cooldown = 60
+	plasma_cost = 0
diff --git a/code/modules/mob/living/carbon/xenomorph/abilities/boss/boss_macros.dm b/code/modules/mob/living/carbon/xenomorph/abilities/boss/boss_macros.dm
new file mode 100644
index 0000000000..5d1d204f7f
--- /dev/null
+++ b/code/modules/mob/living/carbon/xenomorph/abilities/boss/boss_macros.dm
@@ -0,0 +1,13 @@
+/datum/action/xeno_action/verb/surge_proj()
+	set category = "Alien"
+	set name = "Living Target Sweep"
+	set hidden = TRUE
+	var/action_name = "Living Target Sweep"
+	handle_xeno_macro(src, action_name)
+
+/datum/action/xeno_action/verb/rapid_missles()
+	set category = "Alien"
+	set name = "Missile Barrage"
+	set hidden = TRUE
+	var/action_name = "Missile Barrage"
+	handle_xeno_macro(src, action_name)
diff --git a/code/modules/mob/living/carbon/xenomorph/abilities/boss/boss_powers.dm b/code/modules/mob/living/carbon/xenomorph/abilities/boss/boss_powers.dm
new file mode 100644
index 0000000000..0580ea2f25
--- /dev/null
+++ b/code/modules/mob/living/carbon/xenomorph/abilities/boss/boss_powers.dm
@@ -0,0 +1,161 @@
+/mob/living/carbon/human/proc/warning_ping()
+	to_chat(src, SPAN_BOLDWARNING("A Surge is targeting you with a special attack!"))
+	overlays += (image('icons/effects/surge_hit_warning.dmi', "aoe"))
+	sleep(40)
+	overlays -= (image('icons/effects/surge_hit_warning.dmi', "aoe"))
+
+/datum/action/xeno_action/activable/surge_proj/use_ability(atom/affected_atom)
+	var/mob/living/carbon/xenomorph/xeno = owner
+	if (!istype(xeno))
+		return
+
+	if (!action_cooldown_check())
+		return
+	var/list/mobs_in_range = list()
+	for(var/mob/living/carbon/human/target in range("15x15",xeno))
+		if(mobs_in_range.Find(target) == 0)
+			mobs_in_range.Add(target)
+	if(mobs_in_range.len == 0)
+		to_chat(xeno, SPAN_WARNING("No potential targets in visible range"))
+		return
+	for(var/mob/living/carbon/human/target_to_warn in mobs_in_range)
+		INVOKE_ASYNC(target_to_warn, TYPE_PROC_REF(/mob/living/carbon/human/, warning_ping))
+	xeno.overlays += (image('icons/effects/surge_hit_warning_64.dmi', "aoe_surge"))
+	xeno.anchored = 1
+	if(xeno.armor_deflection > 20) xeno.armor_deflection = 20
+	sleep(xeno.aoe_delay)
+	xeno.overlays -= (image('icons/effects/surge_hit_warning_64.dmi', "aoe_surge"))
+	xeno.anchored = 0
+	xeno.armor_deflection = initial(xeno.armor_deflection)
+	var/list/mobs_in_view = list()
+	for(var/mob/living/carbon/human/target in view("15x15",xeno))
+		if(mobs_in_view.Find(target) == 0)
+			mobs_in_view.Add(target)
+	for(var/mob/living/carbon/human/target_to_shoot in mobs_in_range)
+		if(mobs_in_view.Find(target_to_shoot) != 0)
+			var/turf/target = get_turf(target_to_shoot)
+			var/obj/projectile/projectile = new /obj/projectile(xeno.loc, create_cause_data(initial(xeno.caste_type), xeno))
+			var/datum/ammo/ammo_datum = GLOB.ammo_list[ammo_type]
+			projectile.generate_bullet(ammo_datum)
+			projectile.fire_at(target, xeno, xeno, ammo_datum.max_range, ammo_datum.shell_speed)
+	apply_cooldown()
+	return ..()
+
+/obj/item/prop/big_warning_ping
+	name = "warning ping"
+	opacity = FALSE
+	mouse_opacity = FALSE
+	anchored = TRUE
+	indestructible = TRUE
+	layer = ABOVE_MOB_LAYER
+	pixel_x = -80
+	pixel_y = -80
+	icon = 'icons/effects/surge_hit_warning_160.dmi'
+	icon_state = "big_boom"
+
+/turf/proc/warning_ping()
+	var/obj/item/prop/big_warning_ping/ping = new(src)
+	sleep(60)
+	qdel(ping)
+
+/obj/item/prop/missile_storm_up
+	name = "going up"
+	opacity = FALSE
+	mouse_opacity = FALSE
+	anchored = TRUE
+	indestructible = TRUE
+	layer = ABOVE_MOB_LAYER
+	icon = 'icons/effects/missile_storm.dmi'
+	icon_state = "up"
+
+
+/obj/item/prop/missile_storm_up/proc/animate_takeoff()
+	animate(src,pixel_y=384,time = 10,easing=QUAD_EASING|EASE_IN)
+	sleep(11)
+	qdel(src)
+
+/obj/item/prop/missile_storm_up/Initialize(mapload, ...)
+	. = ..()
+	pixel_x = pick(-8,-2,2,8)
+	INVOKE_ASYNC(src, TYPE_PROC_REF(/obj/item/prop/missile_storm_up/, animate_takeoff))
+
+/obj/item/prop/missile_storm_down
+	name = "going down"
+	opacity = FALSE
+	mouse_opacity = FALSE
+	anchored = TRUE
+	indestructible = TRUE
+	layer = ABOVE_MOB_LAYER
+	icon = 'icons/effects/missile_storm.dmi'
+	icon_state = "down"
+
+
+/obj/item/prop/missile_storm_down/proc/animate_landing()
+	animate(src,pixel_y=0,time = 10,easing=QUAD_EASING|EASE_IN)
+	sleep(11)
+	qdel(src)
+
+/obj/item/prop/missile_storm_down/Initialize(mapload, ...)
+	. = ..()
+	pixel_y = 384
+	pixel_x = pick(-8,-2,2,8)
+	INVOKE_ASYNC(src, TYPE_PROC_REF(/obj/item/prop/missile_storm_down/, animate_landing))
+
+/datum/action/xeno_action/activable/rapid_missles/proc/fire_animation()
+	var/mob/living/carbon/xenomorph/xeno = owner
+	var/spawned_props = 1
+	var/sound_cycle = 0
+	while(spawned_props <= xeno.missile_storm_missiles)
+		var/turf/owner_turf = get_turf(owner)
+		if(sound_cycle == 8) sound_cycle = 0
+		if(sound_cycle == 0) playsound(owner_turf,'sound/surge/rockets_launching.ogg', 80)
+		new /obj/item/prop/missile_storm_up(owner_turf)
+		spawned_props += 1
+		sleep(2)
+		sound_cycle += 2
+	xeno.armor_deflection = 100
+	xeno.anchored = FALSE
+
+/datum/action/xeno_action/activable/rapid_missles/proc/hit_animation(turf/turf_to_hit_animate)
+		var/mob/living/carbon/xenomorph/xeno = owner
+		new /obj/item/prop/missile_storm_down(turf_to_hit_animate)
+		sleep(13)
+		var/datum/cause_data/cause_data = create_cause_data("surge bombardment")
+		cell_explosion(turf_to_hit_animate, xeno.explosion_damage, (xeno.explosion_damage / 2), EXPLOSION_FALLOFF_SHAPE_LINEAR, null, cause_data)
+
+
+/datum/action/xeno_action/activable/rapid_missles/proc/fire_loop(turf/target_turf)
+	var/list/turfs_to_hit = list()
+	for (var/turf/turf in range("5x5", target_turf))
+		if(turfs_to_hit.Find(turf) == 0)
+			turfs_to_hit += turf
+	while(turfs_to_hit.len > 0)
+		var/turf/turf_to_hit = pick(turfs_to_hit)
+		turfs_to_hit -= turf_to_hit
+		INVOKE_ASYNC(src, TYPE_PROC_REF(/datum/action/xeno_action/activable/rapid_missles, hit_animation), turf_to_hit)
+		sleep(rand(1,5))
+
+/datum/action/xeno_action/activable/rapid_missles/use_ability(atom/affected_atom)
+	var/mob/living/carbon/xenomorph/xeno = owner
+	if (!istype(xeno))
+		return
+	if (!action_cooldown_check())
+		return
+	var/turf/turf_center = get_turf(affected_atom)
+	var/list/mobs_in_range = list()
+	xeno.anchored = 1
+	if(xeno.armor_deflection > 20) xeno.armor_deflection = 20
+	for(var/mob/living/carbon/human/target in range("15x15",turf_center))
+	if(mobs_in_range.Find(target) == 0)
+		mobs_in_range.Add(target)
+	if(mobs_in_range.len != 0)
+		to_chat(mobs_in_range,SPAN_BOLDWARNING("The [usr] launches a series of rockets into the air! Look out for impact markers!"))
+	INVOKE_ASYNC(src, TYPE_PROC_REF(/datum/action/xeno_action/activable/rapid_missles, fire_animation))
+	turf_center.warning_ping()
+	INVOKE_ASYNC(src, TYPE_PROC_REF(/datum/action/xeno_action/activable/rapid_missles, fire_loop), turf_center)
+	sleep(100)
+	xeno.anchored = 0
+	xeno.armor_deflection = initial(xeno.armor_deflection)
+
+	apply_cooldown()
+	return ..()
diff --git a/code/modules/mob/living/carbon/xenomorph/abilities/runner/runner_abilities.dm b/code/modules/mob/living/carbon/xenomorph/abilities/runner/runner_abilities.dm
index 7b6a15b44f..88b227144d 100644
--- a/code/modules/mob/living/carbon/xenomorph/abilities/runner/runner_abilities.dm
+++ b/code/modules/mob/living/carbon/xenomorph/abilities/runner/runner_abilities.dm
@@ -53,25 +53,3 @@
 	var/minimal_acid = 200
 
 
-/datum/action/xeno_action/activable/surge_proj
-	name = "Surge - Projectile AOE"
-	action_icon_state = "runner_bonespur"
-	ability_name = "surge aoe proj"
-	macro_path = /datum/action/xeno_action/verb/surge_proj
-	action_type = XENO_ACTION_CLICK
-	ability_primacy = XENO_PRIMARY_ACTION_2
-	xeno_cooldown = 60
-	plasma_cost = 0
-
-	var/ammo_type = /datum/ammo/xeno/surge_proj
-
-
-/datum/action/xeno_action/activable/rapid_missles
-	name = "Missile Barrage"
-	action_icon_state = "runner_bonespur"
-	ability_name = "missile barrage"
-	macro_path = /datum/action/xeno_action/verb/rapid_missles
-	action_type = XENO_ACTION_CLICK
-	ability_primacy = XENO_PRIMARY_ACTION_2
-	xeno_cooldown = 60
-	plasma_cost = 0
diff --git a/code/modules/mob/living/carbon/xenomorph/abilities/runner/runner_macros.dm b/code/modules/mob/living/carbon/xenomorph/abilities/runner/runner_macros.dm
index 52b767667f..6f6475bd7e 100644
--- a/code/modules/mob/living/carbon/xenomorph/abilities/runner/runner_macros.dm
+++ b/code/modules/mob/living/carbon/xenomorph/abilities/runner/runner_macros.dm
@@ -26,16 +26,3 @@
 	var/action_name = "For the Hive!"
 	handle_xeno_macro(src, action_name)
 
-/datum/action/xeno_action/verb/surge_proj()
-	set category = "Alien"
-	set name = "Surge AoE"
-	set hidden = TRUE
-	var/action_name = "Surge AoE"
-	handle_xeno_macro(src, action_name)
-
-/datum/action/xeno_action/verb/rapid_missles()
-	set category = "Alien"
-	set name = "Missile Barrage"
-	set hidden = TRUE
-	var/action_name = "Missile Barrage"
-	handle_xeno_macro(src, action_name)
diff --git a/code/modules/mob/living/carbon/xenomorph/abilities/runner/runner_powers.dm b/code/modules/mob/living/carbon/xenomorph/abilities/runner/runner_powers.dm
index 31e89d6fa9..06bf3e0e2e 100644
--- a/code/modules/mob/living/carbon/xenomorph/abilities/runner/runner_powers.dm
+++ b/code/modules/mob/living/carbon/xenomorph/abilities/runner/runner_powers.dm
@@ -214,161 +214,3 @@
 	xeno.adjust_effect(behavior_delegate.caboom_timer * -2 - (behavior_delegate.caboom_timer - behavior_delegate.caboom_left + 2) * xeno.life_slow_reduction * 0.5, SUPERSLOW)
 
 	to_chat(xeno, SPAN_XENOWARNING("You remove all your explosive acid before it combusted."))
-
-
-/mob/living/carbon/human/proc/warning_ping()
-	to_chat(src, SPAN_BOLDWARNING("A Surge is targeting you with a special attack!"))
-	overlays += (image('icons/effects/surge_hit_warning.dmi', "aoe"))
-	sleep(40)
-	overlays -= (image('icons/effects/surge_hit_warning.dmi', "aoe"))
-
-/datum/action/xeno_action/activable/surge_proj/use_ability(atom/affected_atom)
-	var/mob/living/carbon/xenomorph/xeno = owner
-	if (!istype(xeno))
-		return
-
-	if (!action_cooldown_check())
-		return
-	var/list/mobs_in_range = list()
-	for(var/mob/living/carbon/human/target in range("15x15",xeno))
-		if(mobs_in_range.Find(target) == 0)
-			mobs_in_range.Add(target)
-	if(mobs_in_range.len == 0)
-		to_chat(xeno, SPAN_WARNING("No potential targets in visible range"))
-		return
-	for(var/mob/living/carbon/human/target_to_warn in mobs_in_range)
-		INVOKE_ASYNC(target_to_warn, TYPE_PROC_REF(/mob/living/carbon/human/, warning_ping))
-	xeno.overlays += (image('icons/effects/surge_hit_warning_64.dmi', "aoe_surge"))
-	xeno.anchored = 1
-	xeno.armor_deflection = 200
-	sleep(40)
-	xeno.overlays -= (image('icons/effects/surge_hit_warning_64.dmi', "aoe_surge"))
-	xeno.anchored = 0
-	xeno.armor_deflection = initial(xeno.armor_deflection)
-	xeno.can_block_movement = 1
-	var/list/mobs_in_view = list()
-	for(var/mob/living/carbon/human/target in view("15x15",xeno))
-		if(mobs_in_view.Find(target) == 0)
-			mobs_in_view.Add(target)
-	for(var/mob/living/carbon/human/target_to_shoot in mobs_in_range)
-		if(mobs_in_view.Find(target_to_shoot) != 0)
-			var/turf/target = get_turf(target_to_shoot)
-			var/obj/projectile/projectile = new /obj/projectile(xeno.loc, create_cause_data(initial(xeno.caste_type), xeno))
-			var/datum/ammo/ammo_datum = GLOB.ammo_list[ammo_type]
-			projectile.generate_bullet(ammo_datum)
-			projectile.fire_at(target, xeno, xeno, ammo_datum.max_range, ammo_datum.shell_speed)
-	apply_cooldown()
-	return ..()
-
-/obj/item/prop/big_warning_ping
-	name = "warning ping"
-	opacity = FALSE
-	mouse_opacity = FALSE
-	anchored = TRUE
-	indestructible = TRUE
-	layer = ABOVE_MOB_LAYER
-	pixel_x = -80
-	pixel_y = -80
-	icon = 'icons/effects/surge_hit_warning_160.dmi'
-	icon_state = "big_boom"
-
-/turf/proc/warning_ping()
-	var/obj/item/prop/big_warning_ping/ping = new(src)
-	sleep(60)
-	qdel(ping)
-
-/obj/item/prop/missile_storm_up
-	name = "going up"
-	opacity = FALSE
-	mouse_opacity = FALSE
-	anchored = TRUE
-	indestructible = TRUE
-	layer = ABOVE_MOB_LAYER
-	icon = 'icons/effects/missile_storm.dmi'
-	icon_state = "up"
-
-
-/obj/item/prop/missile_storm_up/proc/animate_takeoff()
-	var/new_pixel_x = pixel_x + 48
-	animate(src, pixel_x=new_pixel_x,pixel_y=384,time = 10,easing=QUAD_EASING|EASE_IN)
-	sleep(11)
-	qdel(src)
-
-/obj/item/prop/missile_storm_up/Initialize(mapload, ...)
-	. = ..()
-	pixel_x += rand(-10,10)
-	INVOKE_ASYNC(src, TYPE_PROC_REF(/obj/item/prop/missile_storm_up/, animate_takeoff))
-
-/obj/item/prop/missile_storm_down
-	name = "going down"
-	opacity = FALSE
-	mouse_opacity = FALSE
-	anchored = TRUE
-	indestructible = TRUE
-	layer = ABOVE_MOB_LAYER
-	icon = 'icons/effects/missile_storm.dmi'
-	icon_state = "down"
-
-
-/obj/item/prop/missile_storm_down/proc/animate_landing()
-	var/new_pixel_x = pixel_x + 48
-	animate(src, pixel_x=new_pixel_x,pixel_y=0,time = 10,easing=QUAD_EASING|EASE_IN)
-	sleep(11)
-	qdel(src)
-
-/obj/item/prop/missile_storm_down/Initialize(mapload, ...)
-	. = ..()
-	pixel_y = 384
-	pixel_x += rand(-10,10)
-	pixel_x -= -48
-	INVOKE_ASYNC(src, TYPE_PROC_REF(/obj/item/prop/missile_storm_down/, animate_landing))
-
-/datum/action/xeno_action/activable/rapid_missles/proc/fire_animation()
-	var/mob/living/carbon/xenomorph/xeno = owner
-	var/turf/owner_turf = get_turf(owner)
-	xeno.anchored = TRUE
-	xeno.armor_deflection = 100
-	var/spawned_props = 1
-	while(spawned_props <= 25)
-		new /obj/item/prop/missile_storm_up(owner_turf)
-		spawned_props += 1
-		sleep(rand(1,3))
-	xeno.armor_deflection = initial(xeno.armor_deflection)
-	xeno.anchored = FALSE
-
-/datum/action/xeno_action/activable/rapid_missles/proc/hit_animation(turf/turf_to_hit_animate)
-		new /obj/item/prop/missile_storm_down(turf_to_hit_animate)
-		sleep(13)
-		var/datum/cause_data/cause_data = create_cause_data("surge bombardment")
-		cell_explosion(turf_to_hit_animate, 50, 15, EXPLOSION_FALLOFF_SHAPE_LINEAR, null, cause_data)
-
-
-/datum/action/xeno_action/activable/rapid_missles/proc/fire_loop(turf/target_turf)
-	var/list/turfs_to_hit = list()
-	for (var/turf/turf in range("5x5", target_turf))
-		if(turfs_to_hit.Find(turf) == 0)
-			turfs_to_hit += turf
-	while(turfs_to_hit.len > 0)
-		var/turf/turf_to_hit = pick(turfs_to_hit)
-		turfs_to_hit -= turf_to_hit
-		INVOKE_ASYNC(src, TYPE_PROC_REF(/datum/action/xeno_action/activable/rapid_missles, hit_animation), turf_to_hit)
-		sleep(rand(1,5))
-
-/datum/action/xeno_action/activable/rapid_missles/use_ability(atom/affected_atom)
-	var/mob/living/carbon/xenomorph/xeno = owner
-	if (!istype(xeno))
-		return
-	if (!action_cooldown_check())
-		return
-	var/turf/turf_center = get_turf(affected_atom)
-	var/list/mobs_in_range = list()
-	for(var/mob/living/carbon/human/target in range("15x15",turf_center))
-	if(mobs_in_range.Find(target) == 0)
-		mobs_in_range.Add(target)
-	if(mobs_in_range.len != 0)
-		to_chat(mobs_in_range,SPAN_BOLDWARNING("The [usr] launches a series of rockets into the air! Look out for impact markers!"))
-	INVOKE_ASYNC(src, TYPE_PROC_REF(/datum/action/xeno_action/activable/rapid_missles, fire_animation))
-	turf_center.warning_ping()
-	INVOKE_ASYNC(src, TYPE_PROC_REF(/datum/action/xeno_action/activable/rapid_missles, fire_loop), turf_center)
-	apply_cooldown()
-	return ..()
diff --git a/code/modules/mob/living/carbon/xenomorph/castes/Runner.dm b/code/modules/mob/living/carbon/xenomorph/castes/Runner.dm
index c128cc8b26..6e4660881e 100644
--- a/code/modules/mob/living/carbon/xenomorph/castes/Runner.dm
+++ b/code/modules/mob/living/carbon/xenomorph/castes/Runner.dm
@@ -55,7 +55,7 @@
 		/datum/action/xeno_action/activable/tail_stab,
 		/datum/action/xeno_action/onclick/xenohide,
 		/datum/action/xeno_action/activable/pounce/runner,
-		/datum/action/xeno_action/activable/rapid_missles/,
+		/datum/action/xeno_action/activable/runner_skillshot,
 		/datum/action/xeno_action/onclick/toggle_long_range/runner,
 		/datum/action/xeno_action/onclick/tacmap,
 	)
diff --git a/code/modules/mob/living/carbon/xenomorph/castes/boss_bot.dm b/code/modules/mob/living/carbon/xenomorph/castes/boss_bot.dm
new file mode 100644
index 0000000000..f3a688cac1
--- /dev/null
+++ b/code/modules/mob/living/carbon/xenomorph/castes/boss_bot.dm
@@ -0,0 +1,55 @@
+/datum/caste_datum/boss_bot
+	caste_type = XENO_CASTE_XENOSURGE_BOSS_BOT
+	caste_desc = "An agile defense platform, saturating the battlefield with defensive fire."
+	tier = 4
+	melee_damage_lower = 25
+	melee_damage_upper = 40
+	melee_vehicle_damage = 40
+	plasma_gain = XENO_PLASMA_GAIN_TIER_1
+	plasma_max = XENO_NO_PLASMA
+	armor_deflection = 100
+	max_health = 3000
+	evasion = XENO_EVASION_NONE
+	speed = 1
+	xeno_explosion_resistance = XENO_EXPLOSIVE_ARMOR_TIER_10
+	fire_immunity = FIRE_IMMUNITY_NO_IGNITE
+	attack_delay = -4
+	tackle_min = 4
+	tackle_max = 5
+	tackle_chance = 40
+	tacklestrength_min = 4
+	tacklestrength_max = 4
+	minimap_icon = "runner"
+
+
+/mob/living/carbon/xenomorph/boss_bot
+	caste_type = XENO_CASTE_XENOSURGE_BOSS_BOT
+	name = "BALTHEUS-6 Pursuit Wrepons Platform"
+	desc = "A heavilly modified automated weapons platform of unknown make."
+	icon = 'icons/Surge/boss_bot/boss.dmi'
+	icon_state = "Boss Walking"
+	icon_size = 64
+	layer = MOB_LAYER
+	plasma_types = list(PLASMA_CATECHOLAMINE)
+	tier = 1
+	pixel_x = -8
+	old_x = -8
+	base_pixel_x = 0
+	base_pixel_y = 0
+	pull_speed = -0.5
+	viewsize = 12
+	wall_smash = 1
+	universal_understand = 1
+	universal_speak = 1
+	langchat_color = "#ff1313"
+
+
+	mob_size = MOB_SIZE_XENO_SMALL
+
+	base_actions = list(
+		/datum/action/xeno_action/activable/surge_proj,
+		/datum/action/xeno_action/activable/rapid_missles/,
+	)
+	mutation_type = BOSS_NORMAL
+	icon_xeno = 'icons/Surge/boss_bot/boss.dmi'
+	icon_xenonid = 'icons/Surge/boss_bot/boss.dmi'
diff --git a/code/modules/mob/living/carbon/xenomorph/damage_procs.dm b/code/modules/mob/living/carbon/xenomorph/damage_procs.dm
index e372b03e68..f9df49000a 100644
--- a/code/modules/mob/living/carbon/xenomorph/damage_procs.dm
+++ b/code/modules/mob/living/carbon/xenomorph/damage_procs.dm
@@ -248,39 +248,48 @@
 
 	if(radius > 1 || prob(chance))
 		var/decal_chance = 50
+
 		if(prob(decal_chance))
-			var/obj/effect/decal/cleanable/blood/xeno/decal = locate(/obj/effect/decal/cleanable/blood/xeno) in T
-			if(!decal) //Let's not stack blood, it just makes lagggggs.
-				add_splatter_floor(T) //Drop some on the ground first.
-			else
-				if(decal.random_icon_states && length(decal.random_icon_states) > 0) //If there's already one, just randomize it so it changes.
-					decal.icon_state = pick(decal.random_icon_states)
-
-		var/splash_chance = 40 //Base chance of getting splashed. Decreases with # of victims.
-		var/i = 0 //Tally up our victims.
-
-		for(var/mob/living/carbon/human/victim in orange(radius, src)) //Loop through all nearby victims, including the tile.
-			splash_chance = 65 - (i * 5)
-			if(victim.loc == loc)
-				splash_chance += 30 //Same tile? BURN
-			if(victim.species?.acid_blood_dodge_chance)
-				splash_chance -= victim.species.acid_blood_dodge_chance
-
-			if(splash_chance > 0 && prob(splash_chance)) //Success!
-				var/dmg = list("damage" = acid_blood_damage)
-				if(SEND_SIGNAL(src, COMSIG_XENO_DEAL_ACID_DAMAGE, victim, dmg) & COMPONENT_BLOCK_DAMAGE)
-					continue
-				i++
-				victim.visible_message(SPAN_DANGER("\The [victim] is scalded with hissing green blood!"), \
-				SPAN_DANGER("You are splattered with sizzling blood! IT BURNS!"))
-				if(prob(60) && !victim.stat && victim.pain.feels_pain)
-					INVOKE_ASYNC(victim, TYPE_PROC_REF(/mob, emote), "scream") //Topkek
-				victim.apply_armoured_damage(dmg["damage"], ARMOR_BIO, BURN) //Sizzledam! This automagically burns a random existing body part.
-				victim.add_blood(get_blood_color(), BLOOD_BODY)
-				acid_splash_last = world.time
-				handle_blood_splatter(get_dir(src, victim), 1 SECONDS)
-				playsound(victim, "acid_sizzle", 25, TRUE)
-				animation_flash_color(victim, "#FF0000") //pain hit flicker
+			if(boss_type == 0)
+				var/obj/effect/decal/cleanable/blood/xeno/decal = locate(/obj/effect/decal/cleanable/blood/xeno) in T
+				if(!decal) //Let's not stack blood, it just makes lagggggs.
+					add_splatter_floor(T) //Drop some on the ground first.
+				else
+					if(decal.random_icon_states && length(decal.random_icon_states) > 0) //If there's already one, just randomize it so it changes.
+						decal.icon_state = pick(decal.random_icon_states)
+			if(boss_type == 1)
+				var/obj/effect/decal/cleanable/blood/oil/decal = locate(/obj/effect/decal/cleanable/blood/xeno) in T
+				if(!decal)
+					add_splatter_floor(T)
+				else
+					if(decal.random_icon_states && length(decal.random_icon_states) > 0) //If there's already one, just randomize it so it changes.
+						decal.icon_state = pick(decal.random_icon_states)
+		if(boss_type == 0)
+			var/splash_chance = 40 //Base chance of getting splashed. Decreases with # of victims.
+			var/i = 0 //Tally up our victims.
+
+			for(var/mob/living/carbon/human/victim in orange(radius, src)) //Loop through all nearby victims, including the tile.
+				splash_chance = 65 - (i * 5)
+				if(victim.loc == loc)
+					splash_chance += 30 //Same tile? BURN
+				if(victim.species?.acid_blood_dodge_chance)
+					splash_chance -= victim.species.acid_blood_dodge_chance
+
+				if(splash_chance > 0 && prob(splash_chance)) //Success!
+					var/dmg = list("damage" = acid_blood_damage)
+					if(SEND_SIGNAL(src, COMSIG_XENO_DEAL_ACID_DAMAGE, victim, dmg) & COMPONENT_BLOCK_DAMAGE)
+						continue
+					i++
+					victim.visible_message(SPAN_DANGER("\The [victim] is scalded with hissing green blood!"), \
+					SPAN_DANGER("You are splattered with sizzling blood! IT BURNS!"))
+					if(prob(60) && !victim.stat && victim.pain.feels_pain)
+						INVOKE_ASYNC(victim, TYPE_PROC_REF(/mob, emote), "scream") //Topkek
+					victim.apply_armoured_damage(dmg["damage"], ARMOR_BIO, BURN) //Sizzledam! This automagically burns a random existing body part.
+					victim.add_blood(get_blood_color(), BLOOD_BODY)
+					acid_splash_last = world.time
+					handle_blood_splatter(get_dir(src, victim), 1 SECONDS)
+					playsound(victim, "acid_sizzle", 25, TRUE)
+					animation_flash_color(victim, "#FF0000") //pain hit flicker
 
 /mob/living/carbon/xenomorph/get_target_lock(access_to_check)
 	if(isnull(access_to_check))
diff --git a/code/modules/mob/living/carbon/xenomorph/death.dm b/code/modules/mob/living/carbon/xenomorph/death.dm
index e7366df07f..fee13c2ecb 100644
--- a/code/modules/mob/living/carbon/xenomorph/death.dm
+++ b/code/modules/mob/living/carbon/xenomorph/death.dm
@@ -79,8 +79,10 @@
 			playsound(loc,'sound/voice/predalien_death.ogg', 25, TRUE)
 		else if(isfacehugger(src))
 			playsound(loc, 'sound/voice/alien_facehugger_dies.ogg', 25, TRUE)
-		else
+		else if(boss_type == 0)
 			playsound(loc, prob(50) == 1 ? 'sound/voice/alien_death.ogg' : 'sound/voice/alien_death2.ogg', 25, 1)
+		else
+			playsound(loc, 'sound/effects/metal_crash.ogg')
 		var/area/A = get_area(src)
 		if(hive && hive.living_xeno_queen)
 			xeno_message("Hive: [src] has <b>died</b>[A? " at [sanitize_area(A.name)]":""]! [banished ? "They were banished from the hive." : ""]", death_fontsize, hivenumber)
diff --git a/code/modules/mob/living/carbon/xenomorph/life.dm b/code/modules/mob/living/carbon/xenomorph/life.dm
index b5ad08e97a..728d59fc9f 100644
--- a/code/modules/mob/living/carbon/xenomorph/life.dm
+++ b/code/modules/mob/living/carbon/xenomorph/life.dm
@@ -84,7 +84,8 @@
 		drop_inv_item_on_ground(G)
 	if(!caste || !(caste.fire_immunity & FIRE_IMMUNITY_NO_DAMAGE) || fire_reagent.fire_penetrating)
 		apply_damage(armor_damage_reduction(GLOB.xeno_fire, PASSIVE_BURN_DAM_CALC(fire_reagent.intensityfire, fire_reagent.durationfire, fire_stacks) * caste.fire_vulnerability_mult), BURN)
-		INVOKE_ASYNC(src, TYPE_PROC_REF(/mob, emote), pick("roar", "needhelp"))
+		if(boss_type == 0)
+			INVOKE_ASYNC(src, TYPE_PROC_REF(/mob, emote), pick("roar", "needhelp"))
 
 #undef PASSIVE_BURN_DAM_CALC
 
diff --git a/colonialmarines.dme b/colonialmarines.dme
index ece3897f81..8c23eca5d4 100644
--- a/colonialmarines.dme
+++ b/colonialmarines.dme
@@ -2000,6 +2000,9 @@
 #include "code\modules\mob\living\carbon\xenomorph\abilities\boiler\boiler_abilities.dm"
 #include "code\modules\mob\living\carbon\xenomorph\abilities\boiler\boiler_macros.dm"
 #include "code\modules\mob\living\carbon\xenomorph\abilities\boiler\boiler_powers.dm"
+#include "code\modules\mob\living\carbon\xenomorph\abilities\boss\boss_abilities.dm"
+#include "code\modules\mob\living\carbon\xenomorph\abilities\boss\boss_macros.dm"
+#include "code\modules\mob\living\carbon\xenomorph\abilities\boss\boss_powers.dm"
 #include "code\modules\mob\living\carbon\xenomorph\abilities\burrower\burrower_abilities.dm"
 #include "code\modules\mob\living\carbon\xenomorph\abilities\burrower\burrower_macros.dm"
 #include "code\modules\mob\living\carbon\xenomorph\abilities\burrower\burrower_powers.dm"
@@ -2053,6 +2056,7 @@
 #include "code\modules\mob\living\carbon\xenomorph\ai\movement\linger.dm"
 #include "code\modules\mob\living\carbon\xenomorph\ai\movement\lurking.dm"
 #include "code\modules\mob\living\carbon\xenomorph\castes\Boiler.dm"
+#include "code\modules\mob\living\carbon\xenomorph\castes\boss_bot.dm"
 #include "code\modules\mob\living\carbon\xenomorph\castes\Burrower.dm"
 #include "code\modules\mob\living\carbon\xenomorph\castes\Carrier.dm"
 #include "code\modules\mob\living\carbon\xenomorph\castes\Crusher.dm"
diff --git a/icons/Surge/boss_bot/boss.dmi b/icons/Surge/boss_bot/boss.dmi
new file mode 100644
index 0000000000..6ad6d88fe6
Binary files /dev/null and b/icons/Surge/boss_bot/boss.dmi differ
diff --git a/icons/Surge/boss_bot/boss_proj.dmi b/icons/Surge/boss_bot/boss_proj.dmi
new file mode 100644
index 0000000000..94250c1d3c
Binary files /dev/null and b/icons/Surge/boss_bot/boss_proj.dmi differ
diff --git a/icons/Surge/effects/boss_boom.dmi b/icons/Surge/effects/boss_boom.dmi
new file mode 100644
index 0000000000..eb34cf47fe
Binary files /dev/null and b/icons/Surge/effects/boss_boom.dmi differ
diff --git a/sound/surge/rockets_launching.ogg b/sound/surge/rockets_launching.ogg
new file mode 100644
index 0000000000..72957b93b8
Binary files /dev/null and b/sound/surge/rockets_launching.ogg differ