As sturdy as the monster was, it still had joints -- and while there was no bone that could break, its shoulder was still able to be dislocated. That was exactly what happened, and the creature pulled harshly away from the girl to get out of her grasp. Once it did so, its arm hung uselessly at its side.

However, that didn't stop it or send it running back the way it came. Lucentiens had no concept of fear most of the time, and while it was unable to see the girl, it could feel on its metal nails that it had drawn blood. If anything, that spurred it to keep fighting until the girl was so weakened that the only thing she could do was keep bleeding until she was dried out.

Angling its body so that the uninjured side was slightly forward, it lurched toward her, flinging its good arm around wildly in hopes of stabbing her in the shoulder, the gut, anywhere it could reach. Anywhere that would cause more bleeding.