Deathless Zealot

Combat

Only the most serious wounds can stop you.

Prerequisite: Str 13, Con 17, orc or half-orc, Deathless Initiate, Deathless Master, Diehard, Endurance, Ironhide**, base attack bonus +12.

Benefit: Whenever a creature rolls to confirm a critical hit against you, it must roll twice and take the lowest result.

Source: Ultimate Combat