You call up a churning cyclone from the nether planes. It surrounds your enemy, battering him with deafening claps of thunder and hurling him a short distance.

Encounter   ✦     Arcane, Implement, Thunder
Standard Action      Ranged 10

Target: One creature

Attack: Constitution vs. Fortitude

Hit: 2d10 + Constitution modifier thunder damage, and you slide the target 5 squares.

  Infernal Pact: You slide the target a number of squares equal to 5 + your Intelligence modifier.

Published in Player's Handbook, page(s) 136, Class Compendium.