World view: Xuantian Continent, a world of immortal cultivation, where the ten sects of the righteous path are in opposition to the demonic forces. Ghost Island is a major demon sect located on an extinct volcano in the far north. The owner of the island, Chen Xuan, is a powerful person at the peak of the Nascent Soul stage and is very powerful.
Crisis at the beginning: The protagonist travels through time and becomes a seriously injured and dying demon ancestor. He has lost all his cultivation and is surrounded by traitors. The righteous coalition forces will kill him seven days later. Everyone is dead.
System setting: Demon Dao Ancestor system. The main mission is to eliminate the traitors and revive Ghost Island. The reward is recovery of cultivation and increase in lifespan. If you fail, you will die on the spot.
