Thinking about this, he couldn't help but smile. He had been too hard on himself, thinking that with the Three Pure Ones above, the numerous sages of the human race, and the Holy Emperor in seclusion, both the Sect Hierarch and the Spirit Tooth Immortal would hardly dare to trouble him if they wished to avoid annoyance.
Additionally, due to the separation of the three realms, the immortals of his sect owed him a favor, and before all the saints achieved transcendence, there was absolutely no need to worry about retaliation.
As for after the saints had transcended, Lu Yu was confident that he could catch up to their level of cultivation. This confidence had slowly built up over long years of cultivation. Just a moment ago, he had felt a sudden surge of cowardice deep within his heart.