You call up a bolt of golden flame and hurl it at your foe. Anyone standing close to him is burned as well.

Encounter   ✦     Arcane, Fire, Implement
Standard Action      Ranged 10

Target: One creature

Attack: Constitution vs. Reflex

Hit: 3d6 + Constitution modifier fire damage, and creatures adjacent to the target take 1d6 + Constitution modifier fire damage.

  Infernal Pact: Creatures adjacent to the target take extra fire damage equal to your Intelligence modifier.

Published in Player's Handbook, page(s) 133, Class Compendium.