C352 Inside the Cauldron the Mouse King Was Imprisoned

The Universe Cauldron could be said to be a hidden technique of Jian Ao. It had only appeared twice until now. The first time was in the Wind Mist Imperial Palace. The mysterious person who had turned into a black robe was refining the Barrier Breaking Pill. He had used it once. The second time. The second time was when he faced the assassin sect, the Shadow Sect. He was forced to retreat