The Dragon Controlling Sect was known for its Beast-controlling Skills.
However, highly cultivated Flood Dragons are mostly proud by nature and unwilling to be driven by humans.
The key to controlling the old Returning to Emptiness dragon lay in the hereditary Prohibition Order Token!
With its original strength of the early stages of Returning to Emptiness, the only one probable to control such prohibitions as the Blood Soul Order Token would be Lord Nine Dragons, the Perfect Transcendent God.
Therefore, with this person's death, the old Returning to Emptiness dragon might rebel!
"Following the best plan, if we could seize the Blood Soul Order Token, this old dragon might still be an asset to the Mo Sect… What the Mo Sect truly needs to break through are just the Ten Thousand Dragon Ancestral Grand Array and the obstruction of a handful of Transcendent Gods…"