Unfortunately, his Swing Wing theory quickly proves that it won't work, the first time he attempts to take two inside; the second one promptly vanishes, and does not reappear when he travels outside.<br/><br/>While they're still rare, making a concerted effort on the 'easier' levels allows him to pick up approximately one essence gem, every other run through, more if he's willing to take unsavory creatures, or perform tasks that are significantly more difficult, such as clearing fifty floors, using only his bare hands; no magic, no items, though that one would offer the spirit of a Marilith, who trained in both the arts of the monk and the drunken master.