You can manifest this power with an instant thought, quickly enough to gain the benefit of the power before you move. Manifesting the power is a swift action, like manifesting a quickened power, and it counts toward the normal limit of one quickened power per round. You cannot manifest this power when it isn’t your turn.
This is part of the Revised (v.3.5) System Reference Document. It is covered by the Open Game License v1.0a, rather than the Creative Commons Attribution Sharealike License. To distinguish it, these items will have this notice. If you see any page that contains SRD material and does not show this license statement, please contact an admin so that this license statement can be added. It is our intent to work within this license in good faith.