Sacrificial Mastery

(Book of Vile Darkness, page 50, DnD 3.0)

[Vile]

The character is skilled at offering living sacrifices to evil gods or fiends.

Prerequisite

WIS 15

Benefit

The character gains a +4 profane bonus on Knowledge (religion) checks made when performing a sacrifice.

Normal

Without this feat, a character who performs a sacrifice makes a normal Knowledge (religion) check modified as described in BoVD Chapter 2