Address review concerns

mods/ENTITIES/mcl_mobs/physics.lua

@@ -419,7 +419,7 @@ function mob_class:check_for_death(cause, cmi_cause)
 		if on_die_exit == true then
 			self.state = "die"
 			mcl_burning.extinguish(self.object)
-			mcl_util.remove(self)
+			mcl_util.remove_entity(self)
 			return true
 		end
 	end

mods/ENTITIES/mobs_mc/ghast.lua

@@ -88,10 +88,12 @@ mcl_mobs.register_mob("mobs_mc:ghast", {
 			fireball = le and le.name == "mobs_mc:fireball",
 			owner = le and le._owner,
 		}
+
+		return true -- Force punch to continue with default behavior
 	end,
 	on_die = function(self)
 		local last_hit = self._last_hit or {}
-		if last_hit.fireball and last_hit.owner then
+		if last_hit.fireball and last_hit.owner and core.get_player_by_name(last_hit.owner) then
 			awards.unlock(last_hit.owner, "mcl:fireball_redir_serv")
 		end
 	end,