You clench your fists as you call on the earth to obey you. The ground buckles amid your foes, creating a mass of jagged rocks.

Daily   ✦     Arcane, Evocation, Implement, Zone
Standard Action      Area burst 2 within 20 squares

Target: Each creature in the burst

Attack: Intelligence vs. Reflex

Hit: 5d6 + Intelligence modifier damage.

Miss: Half damage.

Effect: The burst creates a zone of jagged stone that lasts until the end of your next turn. Each creature that moves into the zone or within it without shifting or crawling takes 2d6 damage and is knocked prone. A creature can take this damage only once per turn.

Sustain Minor: The zone persists.

Update (2/17/2012)
Changed in December 2011 updates.

Published in Arcane Power, page(s) 109.