Surrendering to your demonic heritage fills you with dreadful viciousness.

Encounter   ✦     Elemental
No Action      Personal

Trigger: You make an attack roll and miss.

Effect: You reroll the attack roll and can use either result. Until the end of your next turn, your allies provoke opportunity attacks from you. You must make every opportunity attack you can.

Published in Heroes of the Elemental Chaos, page(s) 41.