Sword Immortal: Possessed from the Start

In a world repeatedly invaded by demons from beyond the heavens, an unfathomably powerful being altered the laws of the world: first, all spiritual energy was sealed away, and only those who joined a sect and obtained its inherited treasures could cultivate without restriction; second, killing demons granted rewards that increased one's cultivation.

Thus the sects drove out the demons and suppressed demonic cultivators, the demon race, rogue cultivators, and heretical cults, becoming the rulers of the world.

When he accidentally obtained an inherited treasure, became a legitimate cultivator, and stepped into the cultivation world:

Within the sects, powerful clans and noble houses were deeply entrenched;

Beyond the world, countless demons of chaos watched hungrily!