Sanctify Natural Attack
(Book of Exalted Deeds, page 46, DnD 3.5)
[Exalted]
You can focus holy power into your natural attacks.
Prerequisite
One or more natural weapon attacks, base attack bonus +5
Benefit
Each time you deal damage with a natural attack, you deal 1 extra point of damage to evil creatures, or 1d4 points to evil outsiders and evil undead. In addition, your natural attacks are considered good-aligned for purposes of overcoming damage reduction.