Demon Lord of Refining Heaven: Achieve Great Love from the Refining of Gu

"I will be a demon in the next life!" The peerless Gu cultivator, known as the Heavenly Refining Demon Lord, was surrounded and killed by all the powerful men in the world after the end of the world, and was seriously injured. Use your body as a sacrifice to swim upstream and return to the beginning of everything. Will the boy with the memories of his past life end the apocalypse again, or will he pursue his ideal of eternal life?