After you send a foe to its afterlife, you issue a yell that infuses an area with the might of primal death.

Daily   ✦     Primal, Zone
Free Action      Close blast 5

Trigger: Your attack reduces an enemy to 0 hit points

Effect: The blast creates a zone of death that lasts until the end of the encounter. You gain a +1 bonus to attack rolls and a +4 bonus to damage rolls against any enemy within the zone.

Published in Primal Power, page(s) 28.