Devour: Rising from the Great Nirvana

Gu Heng accidentally traveled to a world that swallowed the stars, and it was also the era of Nirvana that was famous for its chaos! It's okay to travel through the Great Nirvana, but why is the system provided so unreliable? [At the age of 18, you traveled to the world of Swallowing Starry Sky, became a senior student of the Extreme Martial Arts School, and were preparing to participate in the quasi-martial artist assessment with Luo Feng. Mission: Surpass Luo Feng and kill more monsters Reward: Enlightenment of the Ninefold Thunder Sword] "..." Looking at the tasks issued by the system, Gu Heng couldn't hold back any longer. He's 18 years old! No, buddy, Luo Feng hasn't been born yet, should I take the lead and complete the mission? Thinking that the system was unreliable, Gu Heng decided to survive in this cruel world on his own! Unexpectedly, after half a day, the system task was inexplicably completed! The next mission was even more unexpected for Gu Heng, so under each bizarre mission, Gu Heng slowly reached the top of the universe...