I Have Lived in Nothingness for Hundreds of Millions of Years

Under the ordinary city, Gu Wu is hiding in the world, his powers are hidden, and the will of the world is being quietly invaded. Zhang Ji, a young man with high IQ but boredom, was reborn after a mysterious bet. He embarked on the road of ancient martial arts from scratch. He kept a low profile in front of others, but hidden a hundred million years of secrets deep in his soul. A game with the world, the invaders, and one's own power begins.