Self-Transmigrator, Yet It Turns Out to Be Primeval Chaos

Lu Gui transmigrated. No memories, no superpowers, but with unlimited radiation energy fluctuations. The fragments the world fights over, he has the complete set within him. The relics everyone speaks of in fear are but steps he left behind in time. The first time he stepped into the Bronze Sea, three hundred square kilometers of liquid metal bowed to him. At the earth's core was a line of text, his own handwriting from a hundred trillion epochs ago: 'Don't forget who you are.' Others enter relics to die. He walks in to go home. The boundless kalpa was a door he closed with his own hands, and through the crack, light is seeping back in. The world calls him the Lord of Guixu, the end of all things. He only wants to know—what was the person who closed that door hiding from? — Description from novelcodex.org