After Thirty Years of Ascending to Immortality, I Subjugated the Eight Desolations with One Sword

All fantasy novels are not enough in front of this protagonist. He helped Dayu control the floods, assisted Hou Yi to shoot the sun, witnessed Kuafu chasing the sun, and fought with Jingwei against Ho Luo. Even Nuwa (Feng Lixi), who was regarded as the creator god in later generations, was behind him. The little girl, the fateful battle with Heng Tian, the protagonist is thousands of years old in any of the eight wasteland worlds. The protagonist has been in immortality for decades. The old monsters came out of seclusion and found that in just a few decades, a genius turned out to be born, and everyone couldn't hold their heads up.