Ruchong looked at Ru Nan, who remained silent, and merely chuckled softly, turning his gaze to the wall beside him.

To suppress a Tribulation Transcendence cultivator, not only must the formation be of a high level, but the materials used must also be unparalleled.

The material used here was the rare and invaluable Divine Suppression Wood.

Back then, the Buddhist sect had spent a fortune and shed much blood to gather it.