He simply raised an eyebrow. "Trap the soul is the best way to get you out without chance of harm. I promise to release you once I get back to my home."<br/><br/>He used an immoveable rod to ensure the door stayed open, at least until he got back to it and used the password to unstick it, and then carefully used the spell trap the soul to hide the succubus in the gem. The gem was then placed in one of the side pockets of the haversack, and his weapons replaced, before he dashed into the vault, pulling the two bags of holding from the haversack to start looting. He had a more than five minutes left before he had to start his way up the stairs.