When dealing with Xiang Qingcheng and the others, Ye Qianxun's Lotus Avatar naturally couldn't use a formation focused on offense. Otherwise, if the Jade Clear Immortal Palace and the Divine Insight Hall made trouble, even Ye Qianxun's true self would find it hard to bear.
As for the "Divine-Eroding Demon-Swallowing Repeating Crossbow Formation," its power was no weaker than that of an Integrated Body Late Stage cultivator. But once activated, it would erode part of the target's Primordial Spirit, injuring their very foundation. No matter their cultivation level, no cultivator would be willing to let their Primordial Spirit be damaged. Spiritual treasures capable of repairing a Primordial Spirit were rare; if it couldn't be fully restored and the damage became permanent, it was almost tantamount to declaring the end of a cultivator's path.
Moreover, preparing this formation took time. It couldn't be set up in a hurry. Even Ye Qianxun's Lotus Avatar had only managed it because he had already persuaded the Jade Clear Immortal Palace and Divine Insight Hall cultivators of the same rank, and had easily trapped Xiang Qingcheng's group with a binding formation. He had made every possible preparation. Whether one tried to break that formation from the inside or outside, it couldn't be done in a short while.
And even if the other side were lucky enough to break free, not everyone would have the courage to defy the wishes of their sect's elders.
When Xiang Qingcheng joined the battle, she and Lu Xiaotian had unleashed their combined killing moves from the start. They had forced Ye Qianxun to struggle just to keep up, leaving him no chance to set up the "Divine-Eroding Demon-Swallowing Repeating Crossbow Formation."
The "Eight-Trigram Star-Origin Mountain-Shaking Formation" also took effort to set up. It was somewhat less powerful. This formation came