C273 Secret of the Abyss
As a strong connection was formed between him and the Myriad Poisons Demonic Dragon's soul, Shi Xuan knew that he had successfully planted the Heart Destruction Soul Controlling Seal into the Myriad Poisons Demonic Dragon's soul.
Because of the Heart Destruction Control slave seal, the Myriad Poisons Demonic Dragon's mind was now filled with thoughts of loyalty and never betraying him