Needs review
Source: Way of the Open Hand

Description: You have unique methods of dealing with corrupted foes.

Prerequisites: Improved Unarmed Strike, Base Attack Bonus +6, Void Use, Sagasu-do Novice, Sagasu-do Advanced, Six Kiho feats or 6th level divine spells

Any time you successfully kill an opponent with the Shadowlands subtype (in melee or with the use of magic) you immediately regain a Void Point. Any time you make a successful save against a maho spell, you regain a Void Point.