Discussing Tao with Demons

Thirty thousand years ago, the Supreme Lord of the Demon Realm led a hundred thousand demon generals to break into the human world, but no one survived, and only one demon sword was left in the world. Thirty thousand years later, the disciples of a sect were expelled from the sect, their cultivation was completely ruined, and they were dying. They echoed to the heavens and unknown, stood up again and walked towards the road of revenge. This is an era of chaos, but it is also a beautiful era. Ahead is hell. Ps: I can't write the introduction. It's better to go straight to the topic. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.