Needs review
Source: Rokugan Campaign Setting

Description: You can shrug off the deadliest attacks and remain standing.

Prerequisites: CON 13, Base Attack Bonus +6, Void Use

Required for: Hida's Rage, Shards of Earth (Tetsubo), Shards of Earth (Unarmed), The Mountain Does Not Fall, Unyielding Fury

When you receive damage in combat (from a weapon or physical attack, not a spell or special ability) you may spend two Void points and make a Fortitude save (DC equal to the damage dealt). If the save is successful, all damage from the blow is negated.