Death of Enemies [Epic]
Prerequisite
Bane of Enemies, Survival 30 ranks, five or more favored enemies.
Benefit
Any time the character scores a critical hit against one of his or her favored enemies, it must make a Fortitude save (DC 10 + ½ character’s ranger class level + character’s Wisdom modifier) or die instantly.
Special
Creatures immune to critical hits can’t be affected by this feat.