diff --git a/code/datums/elements/world_icon.dm b/code/datums/elements/world_icon.dm
index 4768fba6d775..bafcbe618e4e 100644
--- a/code/datums/elements/world_icon.dm
+++ b/code/datums/elements/world_icon.dm
@@ -103,7 +103,7 @@
 	SIGNAL_HANDLER
 
 	if(!world_icon_state)
-		source.icon_state = source.item_state
+		source.icon_state = source.icon_state
 		return
 
 	INVOKE_ASYNC(src, PROC_REF(check_world_icon_state), source)
diff --git a/code/game/machinery/defibrillator_mount.dm b/code/game/machinery/defibrillator_mount.dm
index 166c043dc5bd..df8c283d8438 100644
--- a/code/game/machinery/defibrillator_mount.dm
+++ b/code/game/machinery/defibrillator_mount.dm
@@ -1,6 +1,8 @@
 //Holds defibs and recharges them from the powernet
 //You can activate the mount with an empty hand to grab the paddles
 //Not being adjacent will cause the paddles to snap back
+
+//TODO: directionals / wallmount dir system
 /obj/machinery/defibrillator_mount
 	name = "defibrillator mount"
 	desc = "Holds defibrillators. You can grab the paddles if one is mounted."
@@ -25,6 +27,7 @@
 
 /obj/machinery/defibrillator_mount/Destroy()
 	if(defib)
+		UnregisterSignal(defib, COMSIG_ATOM_UPDATE_APPEARANCE)
 		QDEL_NULL(defib)
 	. = ..()
 
@@ -45,15 +48,20 @@
 
 	. += "defib"
 
+	if(!defib.on)
+		. += "paddles"
+
 	if(defib.powered)
-		var/obj/item/stock_parts/cell/C = get_cell()
-		. += (defib.safety ? "online" : "emagged")
-		var/ratio = C.charge / C.maxcharge
-		ratio = CEILING(ratio * 4, 1) * 25
-		. += "charge[ratio]"
+		var/obj/item/stock_parts/cell/defibs_cell = get_cell()
+		. += (defib.safety ? "powered" : "emagged")
+		if(!QDELETED(defibs_cell))
+			var/ratio = defibs_cell.charge / defibs_cell.maxcharge
+			ratio = CEILING(ratio * 4, 1) * 25
+			. += "charge[ratio]"
+
+	if(!get_cell())
+		. += "nocell"
 
-	if(clamps_locked)
-		. += "clamps"
 
 /obj/machinery/defibrillator_mount/get_cell()
 	if(defib)
@@ -67,7 +75,9 @@
 	if(defib.paddles.loc != defib)
 		to_chat(user, span_warning("[defib.paddles.loc == user ? "You are already" : "Someone else is"] holding [defib]'s paddles!"))
 		return
+	defib.on = TRUE
 	user.put_in_hands(defib.paddles)
+	update_appearance()
 
 /obj/machinery/defibrillator_mount/attackby(obj/item/I, mob/living/user, params)
 	if(istype(I, /obj/item/defibrillator))
@@ -83,11 +93,13 @@
 			return
 		user.visible_message(span_notice("[user] hooks up [I] to [src]!"), \
 		span_notice("You press [I] into the mount, and it clicks into place."))
-		playsound(src, 'sound/machines/click.ogg', 50, TRUE)
+		playsound(src, 'sound/items/taperecorder_close.ogg', 50, TRUE)
 		// Make sure the defib is set before processing begins.
 		defib = I
 		begin_processing()
+		RegisterSignal(defib, COMSIG_ATOM_UPDATE_APPEARANCE, PROC_REF(defib_update_appearance))
 		update_appearance()
+
 		return
 	else if(defib && I == defib.paddles)
 		defib.paddles.snap_back()
@@ -158,6 +170,7 @@
 	playsound(src, 'sound/items/deconstruct.ogg', 50, TRUE)
 	// Make sure processing ends before the defib is nulled
 	end_processing()
+	UnregisterSignal(defib, COMSIG_ATOM_UPDATE_APPEARANCE)
 	defib = null
 	update_appearance()
 
@@ -191,6 +204,9 @@
 		C.give(40 * seconds_per_tick)
 		update_appearance()
 
+/obj/machinery/defibrillator_mount/proc/defib_update_appearance()
+	update_appearance()
+
 //wallframe, for attaching the mounts easily
 /obj/item/wallframe/defib_mount
 	name = "unhooked defibrillator mount"
diff --git a/code/game/objects/items/defib.dm b/code/game/objects/items/defib.dm
index b8fe1c7b7b25..48142c6129bf 100644
--- a/code/game/objects/items/defib.dm
+++ b/code/game/objects/items/defib.dm
@@ -5,6 +5,7 @@
 	name = "defibrillator"
 	desc = "A device that delivers powerful shocks to detachable paddles that resuscitate incapacitated patients."
 	icon = 'icons/obj/defib.dmi'
+	world_file = 'icons/obj/world/defib_world.dmi'
 	icon_state = "defibunit"
 	item_state = "defibunit"
 	lefthand_file = 'icons/mob/inhands/equipment/medical_lefthand.dmi'
@@ -235,11 +236,13 @@
 	paddles.update_appearance()
 	update_power()
 
+//when you touch up defib code, maybe just remove?
 /obj/item/defibrillator/compact
 	name = "compact defibrillator"
 	desc = "A belt-equipped defibrillator that can be rapidly deployed."
 	icon_state = "defibcompact"
 	item_state = "defibcompact"
+	world_file = null
 	w_class = WEIGHT_CLASS_NORMAL
 	slot_flags = ITEM_SLOT_BELT
 
@@ -257,6 +260,7 @@
 	desc = "A belt-equipped blood-red defibrillator. Can revive through spacesuits, has an experimental self-recharging battery, and can be utilized in combat via applying the paddles in a disarming or agressive manner."
 	icon_state = "defibcombat" //needs defib inhand sprites
 	item_state = "defibcombat"
+	world_file = null
 	combat = TRUE
 	safety = FALSE
 	cooldown_duration = 2.5 SECONDS
diff --git a/code/game/objects/items/robot/robot_items.dm b/code/game/objects/items/robot/robot_items.dm
index cd984e086200..41fc44e73044 100644
--- a/code/game/objects/items/robot/robot_items.dm
+++ b/code/game/objects/items/robot/robot_items.dm
@@ -637,7 +637,9 @@
 	if(stored)
 		var/obj/item/reagent_containers/C = stored
 		C.SplashReagents(get_turf(src))
-		qdel(stored)
+		C.forceMove(get_turf(src))
+		stored = null
+		qdel(C)
 	. = ..()
 
 /obj/item/borg/apparatus/beaker/examine()
diff --git a/code/game/objects/items/storage/firstaid.dm b/code/game/objects/items/storage/firstaid.dm
index db0bba08a768..0abe234f46e4 100644
--- a/code/game/objects/items/storage/firstaid.dm
+++ b/code/game/objects/items/storage/firstaid.dm
@@ -12,7 +12,7 @@
 /obj/item/storage/firstaid
 	name = "first-aid kit"
 	desc = "An emergency medical aid kit."
-	icon = 'icons/obj/storage.dmi'
+	icon = 'icons/obj/storage/medkit.dmi'
 	icon_state = "firstaid"
 	lefthand_file = 'icons/mob/inhands/equipment/medical_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/equipment/medical_righthand.dmi'
@@ -126,7 +126,6 @@
 	generate_items_inside(items_inside,src)
 
 /obj/item/storage/firstaid/ancient
-	icon = 'icons/obj/storage.dmi'
 	icon_state = "firstaid_old"
 	desc = "A basic first aid kit. It looks a little old..."
 
diff --git a/code/modules/food_and_drinks/coffee/items/condiment.dm b/code/modules/food_and_drinks/coffee/items/condiment.dm
index d1ce0ae89ef5..6e8a0bdc50e0 100644
--- a/code/modules/food_and_drinks/coffee/items/condiment.dm
+++ b/code/modules/food_and_drinks/coffee/items/condiment.dm
@@ -28,6 +28,7 @@
 	name = "syrup bottle"
 	desc = "A bottle with a syrup pump to dispense the delicious substance directly into your coffee cup."
 	icon = 'icons/obj/item/coffee.dmi'
+	world_file = null
 	icon_state = "syrup"
 	fill_icon_state = "syrup"
 	fill_icon_thresholds = list(0, 20, 40, 60, 80, 100)
diff --git a/code/modules/reagents/reagent_containers.dm b/code/modules/reagents/reagent_containers.dm
index bd41f323c607..0f1bac64980b 100644
--- a/code/modules/reagents/reagent_containers.dm
+++ b/code/modules/reagents/reagent_containers.dm
@@ -267,14 +267,25 @@
 
 /obj/item/reagent_containers/update_overlays()
 	. = ..()
+	//no other way to check if it's a world icon
+	var/is_world = FALSE
+	if(world_file && icon == world_file)
+		is_world = TRUE
+	if(cap_overlay)
+		cap_overlay.icon = icon
+
 	if(cap_on)
 		. += cap_overlay
 	if(!fill_icon_thresholds)
 		return
-	if(!reagents.total_volume)
+	if(!reagents || !reagents.total_volume)
 		return
 
+
 	var/fill_name = fill_icon_state? fill_icon_state : icon_state
+	if(is_world)
+		fill_name += "_world"
+
 	var/mutable_appearance/filling = mutable_appearance(fill_icon, "[fill_name][fill_icon_thresholds[1]]")
 
 	var/percent = round((reagents.total_volume / volume) * 100)
@@ -297,3 +308,8 @@
 		var/datum/reagent/R = reagent
 		list_reagents[R.type] = R.volume
 	return ..() + "list_reagents"
+
+/obj/item/reagent_containers/Destroy()
+	. = ..()
+	QDEL_NULL(cap_overlay)
+	QDEL_NULL(reagents)
diff --git a/code/modules/reagents/reagent_containers/bottle.dm b/code/modules/reagents/reagent_containers/bottle.dm
index 2ae35007b365..281028070c4e 100644
--- a/code/modules/reagents/reagent_containers/bottle.dm
+++ b/code/modules/reagents/reagent_containers/bottle.dm
@@ -3,7 +3,11 @@
 /obj/item/reagent_containers/glass/bottle
 	name = "bottle"
 	desc = "A small bottle."
+	icon = 'icons/obj/chemical/beakers.dmi'
+	world_file = 'icons/obj/chemical/beakers_world.dmi'
 	icon_state = "bottle"
+	lefthand_file = 'icons/mob/inhands/equipment/medical_lefthand.dmi'
+	righthand_file = 'icons/mob/inhands/equipment/medical_righthand.dmi'
 	item_state = "atoxinbottle"
 	possible_transfer_amounts = list(5,10,15,25,30)
 	volume = 30
diff --git a/code/modules/reagents/reagent_containers/dropper.dm b/code/modules/reagents/reagent_containers/dropper.dm
index e5890ac1dea9..8b955adabbcf 100644
--- a/code/modules/reagents/reagent_containers/dropper.dm
+++ b/code/modules/reagents/reagent_containers/dropper.dm
@@ -1,6 +1,7 @@
 /obj/item/reagent_containers/dropper
 	name = "dropper"
 	desc = "A dropper. Holds up to 5 units."
+	world_file = 'icons/obj/chemical/beakers_world.dmi'
 	icon = 'icons/obj/chemical/beakers.dmi'
 	icon_state = "dropper0"
 	amount_per_transfer_from_this = 5
@@ -84,7 +85,7 @@
 
 /obj/item/reagent_containers/dropper/update_overlays()
 	. = ..()
-	if(!reagents.total_volume)
+	if(!reagents || !reagents.total_volume)
 		return
 	var/mutable_appearance/filling = mutable_appearance('icons/obj/reagentfillings.dmi', "dropper")
 	filling.color = mix_color_from_reagents(reagents.reagent_list)
diff --git a/code/modules/reagents/reagent_containers/glass.dm b/code/modules/reagents/reagent_containers/glass.dm
index 21f109a9590e..058f1fb20c06 100644
--- a/code/modules/reagents/reagent_containers/glass.dm
+++ b/code/modules/reagents/reagent_containers/glass.dm
@@ -131,8 +131,11 @@
 	name = "beaker"
 	desc = "A beaker. It can hold up to 50 units."
 	icon = 'icons/obj/chemical/beakers.dmi'
+	world_file = 'icons/obj/chemical/beakers_world.dmi'
 	icon_state = "beaker"
 	item_state = "beaker"
+	lefthand_file = 'icons/mob/inhands/equipment/medical_lefthand.dmi'
+	righthand_file = 'icons/mob/inhands/equipment/medical_righthand.dmi'
 	custom_materials = list(/datum/material/glass=500)
 	fill_icon_thresholds = list(1, 40, 60, 80, 100)
 	can_have_cap = TRUE
@@ -180,6 +183,8 @@
 	name = "cryostasis beaker"
 	desc = "A cryostasis beaker that allows for chemical storage without \
 		reactions. Can hold up to 50 units."
+	// No clue if this is obtainable, but it's so rare i havent really seen one in forever
+	world_file = null
 	icon_state = "beakernoreact"
 	custom_materials = list(/datum/material/iron=3000)
 	reagent_flags = NO_REACT
@@ -312,6 +317,7 @@
 /obj/item/reagent_containers/glass/filter
 	name = "seperatory funnel"
 	desc = "A crude tool created by welding several beakers together. It would probably be useful for seperating reagents."
+	world_file = 'icons/obj/chemical/beakers_world.dmi'
 	icon_state = "beakerfilter"
 	item_state = "beaker"
 	volume = 100
diff --git a/code/modules/reagents/reagent_containers/hypovial.dm b/code/modules/reagents/reagent_containers/hypovial.dm
index d9503df15691..47467a7542de 100644
--- a/code/modules/reagents/reagent_containers/hypovial.dm
+++ b/code/modules/reagents/reagent_containers/hypovial.dm
@@ -3,6 +3,8 @@
 	name = "broken hypovial"
 	desc = "A hypovial compatible with most hyposprays."
 	icon = 'icons/obj/chemical/hypovial.dmi'
+	//almost missed this, TODO: basic check for all items with 'world_file' var that their icon state is valid?
+	world_file = null
 	icon_state = "hypovial"
 	spillable = FALSE
 	var/comes_with = list() //Easy way of doing this.
@@ -38,24 +40,26 @@
 
 /obj/item/reagent_containers/glass/bottle/vial/update_appearance()
 	cut_overlays()
-	if(reagents.total_volume)
-		var/mutable_appearance/filling = mutable_appearance('icons/obj/reagentfillings.dmi', "hypovial10")
-
-		var/percent = round((reagents.total_volume / volume) * 100)
-		switch(percent)
-			if(0 to 9)
-				filling.icon_state = "hypovial10"
-			if(10 to 29)
-				filling.icon_state = "hypovial25"
-			if(30 to 49)
-				filling.icon_state = "hypovial50"
-			if(50 to 85)
-				filling.icon_state = "hypovial75"
-			if(86 to INFINITY)
-				filling.icon_state = "hypovial100"
-
-		filling.color = mix_color_from_reagents(reagents.reagent_list)
-		add_overlay(filling)
+	if(!reagents || !reagents.total_volume)
+		return ..()
+
+	var/mutable_appearance/filling = mutable_appearance('icons/obj/reagentfillings.dmi', "hypovial10")
+
+	var/percent = round((reagents.total_volume / volume) * 100)
+	switch(percent)
+		if(0 to 9)
+			filling.icon_state = "hypovial10"
+		if(10 to 29)
+			filling.icon_state = "hypovial25"
+		if(30 to 49)
+			filling.icon_state = "hypovial50"
+		if(50 to 85)
+			filling.icon_state = "hypovial75"
+		if(86 to INFINITY)
+			filling.icon_state = "hypovial100"
+
+	filling.color = mix_color_from_reagents(reagents.reagent_list)
+	add_overlay(filling)
 	return ..()
 
 /obj/item/reagent_containers/glass/bottle/vial/tiny
@@ -93,26 +97,29 @@
 	)
 	unique_reskin_changes_name = TRUE
 
+//TODO: When you resprite this, make this code... less copy and pasted
 /obj/item/reagent_containers/glass/bottle/vial/large/update_appearance()
 	cut_overlays()
-	if(reagents.total_volume)
-		var/mutable_appearance/filling = mutable_appearance('icons/obj/reagentfillings.dmi', "hypoviallarge10")
-
-		var/percent = round((reagents.total_volume / volume) * 100)
-		switch(percent)
-			if(0 to 9)
-				filling.icon_state = "hypoviallarge10"
-			if(10 to 29)
-				filling.icon_state = "hypoviallarge25"
-			if(30 to 49)
-				filling.icon_state = "hypoviallarge50"
-			if(50 to 85)
-				filling.icon_state = "hypoviallarge75"
-			if(86 to INFINITY)
-				filling.icon_state = "hypoviallarge100"
-
-		filling.color = mix_color_from_reagents(reagents.reagent_list)
-		add_overlay(filling)
+	if(!reagents || !reagents.total_volume)
+		return ..()
+
+	var/mutable_appearance/filling = mutable_appearance('icons/obj/reagentfillings.dmi', "hypoviallarge10")
+
+	var/percent = round((reagents.total_volume / volume) * 100)
+	switch(percent)
+		if(0 to 9)
+			filling.icon_state = "hypoviallarge10"
+		if(10 to 29)
+			filling.icon_state = "hypoviallarge25"
+		if(30 to 49)
+			filling.icon_state = "hypoviallarge50"
+		if(50 to 85)
+			filling.icon_state = "hypoviallarge75"
+		if(86 to INFINITY)
+			filling.icon_state = "hypoviallarge100"
+
+	filling.color = mix_color_from_reagents(reagents.reagent_list)
+	add_overlay(filling)
 	return ..()
 
 /obj/item/reagent_containers/glass/bottle/vial/large/bluespace
diff --git a/code/modules/reagents/reagent_containers/jug.dm b/code/modules/reagents/reagent_containers/jug.dm
index 5c49c8c5529f..0a9f3605bc91 100644
--- a/code/modules/reagents/reagent_containers/jug.dm
+++ b/code/modules/reagents/reagent_containers/jug.dm
@@ -1,7 +1,8 @@
 /obj/item/reagent_containers/glass/chem_jug
 	name = "chemical jug"
 	desc = "A large jug used for storing bulk quantities of chemicals. Provided with an anti-tamper seal which ensures that the contents are pure."
-	icon = 'icons/obj/chemical/chem_jug.dmi' // the coloring of labels for elemental chemicals is based on the chemical group block coloring at https://pubchem.ncbi.nlm.nih.gov/periodic-table/ . Everything else is whatever.
+	icon = 'icons/obj/chemical/chem_jug.dmi'
+	world_file = 'icons/obj/chemical/chem_jug_world.dmi'
 	icon_state = "chem_jug"
 	item_state = "sheet-plastic"
 	w_class = WEIGHT_CLASS_BULKY
diff --git a/code/modules/reagents/reagent_containers/mortar.dm b/code/modules/reagents/reagent_containers/mortar.dm
index 6ed206bc5a3e..dd67925d5ef9 100644
--- a/code/modules/reagents/reagent_containers/mortar.dm
+++ b/code/modules/reagents/reagent_containers/mortar.dm
@@ -8,6 +8,7 @@ to accommodate additional materials.
 	desc = "An ancient, simple tool used in conjunction with a mortar to grind or juice items."
 	w_class = WEIGHT_CLASS_SMALL
 	icon = 'icons/obj/chemical/mortar.dmi'
+	world_file = 'icons/obj/chemical/mortar_world.dmi'
 	icon_state = "pestle"
 	force = 7
 
@@ -15,6 +16,7 @@ to accommodate additional materials.
 	name = "mortar"
 	desc = "A specially formed bowl of ancient design. It is possible to crush or juice items placed in it using a pestle; however the process, unlike modern methods, is slow and physically exhausting. Alt click to eject the item."
 	icon = 'icons/obj/chemical/mortar.dmi'
+	world_file = 'icons/obj/chemical/mortar_world.dmi'
 	icon_state = "mortar_wood"
 	fill_icon_state = "mortar"
 	fill_icon_thresholds = list(1, 20, 40, 80, 100)
diff --git a/code/modules/reagents/reagent_containers/patch.dm b/code/modules/reagents/reagent_containers/patch.dm
index 6fd4866a9033..489499af9fc5 100644
--- a/code/modules/reagents/reagent_containers/patch.dm
+++ b/code/modules/reagents/reagent_containers/patch.dm
@@ -2,6 +2,7 @@
 	name = "chemical patch"
 	desc = "A chemical patch for touch based applications."
 	icon = 'icons/obj/chemical/medicine.dmi'
+	world_file = null
 	icon_state = "bandaid"
 	item_state = "bandaid"
 	possible_transfer_amounts = list()
diff --git a/code/modules/reagents/reagent_containers/pill.dm b/code/modules/reagents/reagent_containers/pill.dm
index 5830dddfb288..0211c239f632 100644
--- a/code/modules/reagents/reagent_containers/pill.dm
+++ b/code/modules/reagents/reagent_containers/pill.dm
@@ -2,6 +2,7 @@
 	name = "pill"
 	desc = "A tablet or capsule."
 	icon = 'icons/obj/chemical/medicine.dmi'
+	//world_file = 'icons/obj/chemical/medicine_world.dmi'
 	icon_state = "pill"
 	item_state = "pill"
 	lefthand_file = 'icons/mob/inhands/equipment/medical_lefthand.dmi'
diff --git a/code/modules/reagents/reagent_containers/syringes.dm b/code/modules/reagents/reagent_containers/syringes.dm
index f46b6dd1d481..0b76a3d5166e 100644
--- a/code/modules/reagents/reagent_containers/syringes.dm
+++ b/code/modules/reagents/reagent_containers/syringes.dm
@@ -2,6 +2,7 @@
 	name = "syringe"
 	desc = "A syringe that can hold up to 15 units."
 	icon = 'icons/obj/syringe.dmi'
+	world_file = 'icons/obj/world/syringe_world.dmi'
 	lefthand_file = 'icons/mob/inhands/equipment/medical_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/equipment/medical_righthand.dmi'
 	icon_state = "syringe_0"
@@ -156,8 +157,16 @@
 
 /obj/item/reagent_containers/syringe/update_overlays()
 	. = ..()
+
+	var/fill_name = fill_icon_state? fill_icon_state : base_icon_state
+	var/is_world = FALSE
+	if(world_file && icon == world_file)
+		is_world = TRUE
+	if(is_world)
+		fill_name += "_world"
+
 	if(reagents?.total_volume)
-		var/mutable_appearance/filling_overlay = mutable_appearance('icons/obj/reagentfillings.dmi', "syringe[get_rounded_vol()]")
+		var/mutable_appearance/filling_overlay = mutable_appearance('icons/obj/reagentfillings.dmi', "[fill_name][get_rounded_vol()]")
 		filling_overlay.color = mix_color_from_reagents(reagents.reagent_list)
 		. += filling_overlay
 
@@ -219,6 +228,7 @@
 /obj/item/reagent_containers/syringe/bluespace
 	name = "bluespace syringe"
 	desc = "An advanced syringe that can hold 60 units of chemicals."
+	//unclear if used, ddididnt resprite
 	icon_state = "bluespace_0"
 	base_icon_state = "bluespace"
 	amount_per_transfer_from_this = 20
@@ -227,6 +237,8 @@
 /obj/item/reagent_containers/syringe/piercing
 	name = "piercing syringe"
 	desc = "A diamond-tipped syringe that pierces armor when launched at high velocity. It can hold up to 10 units."
+	//unclear if used, ddididnt resprite
+	world_file = null
 	icon_state = "piercing_0"
 	base_icon_state = "piercing"
 	volume = 10
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diff --git a/icons/mob/inhands/equipment/medical_lefthand.dmi b/icons/mob/inhands/equipment/medical_lefthand.dmi
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diff --git a/icons/obj/chemical/beakers.dmi b/icons/obj/chemical/beakers.dmi
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diff --git a/icons/obj/chemical/chem_jug.dmi b/icons/obj/chemical/chem_jug.dmi
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diff --git a/icons/obj/chemical/medicine.dmi b/icons/obj/chemical/medicine.dmi
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