C3427 Domineering Return

"How can you be so sure?" Ku Ziyu asked.

Chen Qingyang said, "It's very simple, it's because of the Life and Death Sigil. Principal Hou understood that once the Life-Death Symbol was formed, even his cultivation level would find it difficult to undo it. Moreover, the Life-Death Symbol required twenty years before it could disappear. In twenty years, many things could happen