Source Character Operations Manual pg. 86
Level Required 6
Your weapons destroy the tools and energy your foes wield against you. As a move action, you can grant a weapon you wield, including your solar weapon, the sunder weapon special property. This benefit lasts for 1 round or until you leave graviton mode. When you are attuned or fully attuned, your weapon gains the fatigue critical hit effect. If the weapon already has a critical hit effect, when you score a critical hit, you can apply either the weapon’s normal critical hit effect or the fatigue effect.
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