Inaccurate?

Harvester of Souls

( Elder Evils, p. 13)

[Vile]

When you deliver a killing blow, you destroy both the flesh and the soul.

Prerequisite

Base attack bonus +11,

Benefit

Whenever you use the coup de grace action to kill a creature, that creature cannot be restored to life by any means short of a miracle or wish spell until you are slain. You gain 2 temporary hit points per Hit Die of the slain creature. These temporary hit points last for up to 1 hour.