- Tier 5: 100 XP
- Prerequisites: Grandmaster Rank Sunder Skill, Crushing Repair
While in this stance and performing the Crushing Sunder action, you can choose to enhance that action, to instead Sunder a creature; make a Sunder attempt as normal, upon success, the target of your Sunder suffers an automatic Critical Threat attack and suffers from the Disabled condition for a number of rounds equal to the Critical Rating of the weapon. However, upon completion of this action you immediately exit Crushing Might Stance.