Xuan Yu's body jerked and a layer of restriction runes shone from his body. They trapped Xuan Yu within and he couldn't move.
"What ... What is this?" Xuan Yu's expression changed. It was obvious that the runes were on him to begin with. Xuan yinkong had only activated them with a spell and Xuan Yu himself didn't know about this.
"Do you think that once you become a Holy master or your strength increases, you will no longer be restricted by the Holy master's master? A teacher for a day, a father for life, haven't you heard of this?" Xuan yinkong said.
"Old man, so you've already done something to me." Xuan Yu scolded angrily.
"Xuan Yu, I'll give you one last chance. Return the ancestral treasure and apologize to the elders of your clan. Then, I'll let you live." Xuan yinkong said with a determined expression.