The shadowy aura of your curse grows teeth long enough to take a deep bite.

Encounter   ✦     Arcane, Implement, Necrotic
Standard Action      Close burst 20

Targets: Each creature in the burst under your curse

Attack: Charisma vs. Fortitude

Hit: 2d8 necrotic damage

  Dark Pact: The attack deals extra damage equal to your Intelligence modifier.

Published in Forgotten Realms Player's Guide, page(s) 35.