The four brothers were all top-tier talents within the Chu Family Divine Realm, or they would never have been able to master the Heavenly Execution Sword Formation.
With such formidable strength, having their hands severed by someone while in the middle of executing the sword formation was simply incomprehensible.
After all, once the formation was activated, the strength of those presiding over the Heavenly Execution Sword Formation would be greatly enhanced under its augmentation.
Chapter 1003