Feat: Wings of Bone and Sinew

Frequency once per hour

You can harness the power of death to craft wings from bones and a thin membrane of flesh. You destroy a thrall within 30 feet, fusing it with your body and shaping it into gruesome, bony wings. You gain a fly Speed of 30 feet for 1 minute. You can Dismiss these wings. At 16th level, this action loses its frequency and gains an unlimited duration.