I Will Become an Immortal in This Life

As early as the legendary era, I had already become a god! But there is something lacking in Tao, and I am not willing to accept it! In this life, I am the God of Formation, and the great formations in the world were created by me! In this life, I am the god of medicine, and I will establish the laws of medicine! In this life, I am the God of Weapons, and everyone has magical weapons and immortal weapons! But in this life, I will become an immortal!