Mutation potions can pull Demonspawn-exclusive muts

Windows tiles, 1.5.5-yiuf-8-g1bdac03966

http://i.imgur.com/mBQfON4.png
The anaesthesia message is for the demonspawn-exclusive torment-resisting mutation, the second mutation of their "negative energy resistance" tier 3 mut.

Actually, seems like the issue encompasses more than I thought, I just got "able to fly" (temporary flight) on a naga.