Cleaning up some runtimes (#16027)

code/modules/organs/organ_external.dm

@@ -481,7 +481,7 @@ This function completely restores a damaged organ to perfect condition.
 
 
 /obj/item/organ/external/proc/createwound(var/type = CUT, var/damage)
-	if(damage <= 0)
+	if(damage <= 0 || !owner)
 		return
 
 	//moved this before the open_wound check so that having many small wounds for example doesn't somehow protect you from taking internal damage (because of the return)

code/modules/organs/pain.dm

@@ -42,7 +42,7 @@ mob/var/next_pain_time = 0
 		var/force_emote = species.get_pain_emote(src, power)
 		if(force_emote && prob(power))
 			var/singleton/emote/use_emote = usable_emotes[force_emote]
-			if(!(use_emote.message_type == AUDIBLE_MESSAGE && silent))
+			if(use_emote && !(use_emote.message_type == AUDIBLE_MESSAGE && silent))
 				emote(force_emote)
 
 	next_pain_time = world.time + 5 SECONDS

code/modules/organs/subtypes/standard.dm

@@ -194,7 +194,8 @@
 
 /obj/item/organ/external/hand/take_damage(brute, burn, damage_flags, used_weapon, list/forbidden_limbs, silent)
 	. = ..()
-	owner.update_hud_hands()
+	if(owner)
+		owner.update_hud_hands()
 
 /obj/item/organ/external/hand/removed()
 	owner.drop_from_inventory(owner.gloves)