The Strongest Mentor in All Worlds

There is a world outside the world, and there is a universe outside the universe. One day, he suddenly became a mentor in all heavens and realms. He knows all the ways of immortals, demons, and ghosts, and he can do everything in refining weapons and elixirs. Hundreds of millions of cultivators from different dimensions came to hug him and ask for guidance on cultivation. The elixir he refined at will became the magical elixir of a certain alien space! The exercises he wrote at random became a magical skill in a certain alien space! The weapon he refined at will became an artifact from an alien space! A waste he randomly pointed out became the god king of a certain alien space! He is Jia Zheng, the strongest mentor in all worlds! Book club group: 721703626