He decides it might be a good idea to remove his upper layers since he never did quite figure out the clothing part of shapeshifting before and he doesn't want to ruin his robes. Once his upper body is bare he takes a deep breath and concentrates. After a moment, large black wings burst from his back, littering small feathers on the ground as they extend. He yelps in surprise because he wasn't expecting that sensation and also stumbles from the sudden weight on his back.

He is surprised he manages to stay upright at all and eventually he gets his balance back. "Aha! Did it!"