He could defeat him, but he could not let him go. Furthermore, if he wanted to kill his own disciple, he might not be able to hold on as well. Moreover, this person seemed to have levelled up very quickly. Once he entered the high level Heavenly Level, it would be equivalent to provoking a fight against an enemy for the Tianshan Sect. It was rare to see such a young expert. At least back then, he didn't have the strength to do so. He couldn't help but sigh in his heart.