When you're struck, ephemeral wings carry you to safety.

Encounter   ✦     Primal
Immediate Reaction      Personal

Trigger: An enemy damages you with a melee or a close attack

Effect: You fly a number of squares equal to your Wisdom modifier and must land in a square that is farther away from the enemy than where you started. This movement doesn't provoke opportunity attacks.

Published in Player's Handbook 3, page(s) 125.