You unleash a volley of howling, demonic souls torn from the Abyss to batter your foes.

Encounter   ✦     Arcane, Implement, Thunder
Standard Action      Ranged 10

Target: One creature

Attack: Charisma vs. Fortitude

Hit: 1d8 + Charisma modifier thunder damage, and you slide the target 1 square.

Effect: Make the attack two more times against the same target or different ones.

Published in Player's Handbook 2, page(s) 149.