C1127 New Ability
Zhu Xi and the other Cultivators who had the Eye of Destruction, in other words, had become the Gu raised by the Master of Destruction and were absorbing their destructive power.
When Zhu Xi and the other two needed to use the Eye of Destruction to fight the enemy, the power they unleashed was secretly unleashed by the Chief Sovereign of Destruction.
This was a completely different concept