The Heavens Starting from the Tower of Eternity

Traveling through time is risky, you need to be cautious when grabbing treasures, the plot is unreliable, and you need to be cautious as a person. Yang Tianyan, along with the rest of the country, gained the ability to travel across thousands of realms. He deeply understood that he was not the protagonist, and chose a fantasy sewer world. He relied on his caution and patience to move towards immortality step by step.