C391 Beak
Yang Junshan didn't know how powerful the Mountain Lord's Seal was, but what he really knew was that among the demon race cultivators, they would usually practice some kind of "Great Art of the Demonic Collapse" or "Demonic Bath Blood Technique". All in all, Yang Junshan could use the method of self-mutilation to condense power that far surpassed his cultivation level in a short period of time