No one except for him has nano. He got his from his decendant you know. Also in combat he uses Nano only to heal himself he can fight without Nano too.
Spoiler!
The Descent of the Patriach, Fated Villain, My Female Apprentices Are All Bigshots From the Future, Tales of a Shining Sword, Cosmic Heavenly Demon 3077 are goated 😎