(Combat)
Your knowledge of the undead makes you especially effective when fighting them.
Prerequisites
Favored enemy (undead) class feature.
Benefit
You gain a bonus equal to half your favored enemy (undead) bonus on saving throws against
Ability Damage,
Ability Drain,
Energy Drain, and negative energy effects. Once per day, when an undead creature's natural attack against you deals
Ability Damage, deals
Ability Drain, or bestows 1 or more negative levels, you can negate the damage, drain, or negative levels as an
Immediate Action.