After the Spirit Energy Tidal Surge revived, the Master of North Mang Mountain had also used the contingency plan left behind three thousand years ago to extract the spirit essence from within North Mang Mountain for recovery.
It wasn't until a few days ago that the Master of North Mang Mountain sensed that the rules of heaven and earth would further revive. By then, the 10th Hall Yama Array Formation would show some flaws during the rule transition process.
As long as the timing was right, the Ghost Kings could escape the Desolate Ancient Forbidden Land and make contact with the Samsara King outside.
He could also use the water monster to spread his influence, reducing a portion of his power within North Mang Mountain.
Under the Master of North Mang Mountain's deliberately leaked rule that he couldn't attack ordinary people within the forbidden land, the noble families behind the dead cultivators sent exploration teams.