Rolling bursts of thunder smash your opponents and continue to echo among them.

Daily   ✦     Arcane, Implement, Thunder
Standard Action      Close burst 5

Target: Each enemy in the burst

Attack: Charisma vs. Fortitude

Hit: 4d8 + Charisma modifier thunder damage.

Miss: Half damage.

Effect: The target takes a -2 penalty to AC until the end of your next turn.

Sustain Minor: Each enemy within 5 squares of you takes thunder damage equal to your Constitution modifier and takes a -2 penalty to AC until the end of your next turn.

Published in Arcane Power, page(s) 17.