You cast aside your body, briefly becoming a creature of pure thought.

Daily   ✦     Psionic
Minor Action      Personal

Effect: You become a being of thought until the end of the encounter. In this form, you are insubstantial, gain fly 6 (hover, maximum altitude 2) and a +2 power bonus to AC and Reflex, and can't take standard actions. You can end the effect as a minor action.

Published in Player's Handbook 3, page(s) 97.