C148 Archaic Seal
"Immemorial Sealing Technique!" Ouyang Yunhai couldn't help but be shocked. The Immemorial Seal Technique was an existence on the same level as the Great Void Seal Technique.
He never thought that the ancient emperor sealed this place back then and used the ancient sealing technique.
After that, Ouyang Yunhai immediately contacted Divine Operator with Sound Transmitting