You concentrate on the matter making up your foe. With a psionic strike, you destabilize that matter, and your foe begins to dissolve away.

Daily   ✦     Implement, Psionic
Standard Action      Area burst 1 within 20 squares

Target: Each enemy in the burst

Attack: Intelligence vs. Fortitude

Hit: 3d6 + Intelligence modifier damage, and ongoing 10 damage (save ends).

  First Failed Saving Throw: The target is also dazed (save ends).

Miss: Half damage, and ongoing 5 damage (save ends).

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