The deleted/previously re-added entity will either be a copy of the entity, a copy that looks slightly wrong, or a withered copy.
Will spawn a withered version of any deleted or if re-added will spawn old version after that it will spawn in the lobby/first room and rush at insane speeds to the current room then teleport back to lobby and repeat this process 1-25 times then will either rush to the current room and break all hiding spots in the current room including lockers and tables in the previous room then despawn or will spawn 1-4 more of the deleted/old re-added version of an entity then will spawn 20 rooms behind you and check all hiding spots for a 50 room radius,meaning it will check hiding spots 25 rooms ahead and backward then will despawn but has a chance of repeating the entire process again. To survive you must open 6 rooms and hide. Every entity that is either mimicked or just Q-120 itself has aim script