Douluo Dalu: I am a supporting role

This world is inherently illusory, and time travel is just going from one illusory world to another, even more illusory world. Different worlds have different ways of survival. Traveling to Douluo Continent, Ye Feng, as a mortal, originally wanted to be just a passer-by, but sometimes, it is not easy to be a passer-by. I just wanted to be a witness to the protagonist's growth, but I didn't want to become the protagonist myself. He is not a soul master, but he is capable of overpowering soul masters. Use otherworldly skills to reach the top of Douluo. When a person becomes an invincible being in the world, where should he go...