"This person..."
"He's merely at the Integration level?"
Seeing such a graceful demeanor yet discovering he was only of Integration cultivation, both of them were startled, but they quickly recovered and saluted in unison, "I am Lord Chu Shan/Lord Lutu, greeting Brother Dao!"
The customs of the Earth Immortal Realm today, though tending towards the survival of the fittest, do not place much emphasis on mindfulness and morality, but they are still the heritage of the Ancient Immortal Gods; therefore, the proprieties are no different from the World of Dao and Law, where the accomplished call their seniors 'forebear,' while peers of the same realm address each other as Brother Dao.