You throw out your hands and send a wave of caustic acid over your enemies. The acid continues to burn long after the wave passes.

Daily   ✦     Acid, Arcane, Evocation, Implement
Standard Action      Close blast 5

Target: Each creature in the blast

Attack: Intelligence vs. Reflex

Hit: 5d6 + Intelligence modifier acid damage, and ongoing 10 acid damage (save ends).

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

Update (1/25/2012)
Updated in Class Compendium.

Published in Player's Handbook, page(s) 166, Class Compendium.