He traveled through ten thousand years and returned as the patriarch of the demonic path.

Transmigrating to the cultivation world, I checked in with the system for ten thousand years, allocating all my attribute points to lifespan. Unbeknownst to me, I became a Demonic Ancestor, but due to unresolved matters, I couldn't summon the Heavenly Tribulation to ascend to immortality. Sent back to Earth by the system's leader, I discovered a strange invasion. "Everyone, please come to my Ten Thousand Soul Banner for a discussion!"