Of course, the sword master and others are not kind enough to invite everyone to explore the realm above the imperial road. The reason why they invite everyone is to use external force to kill the weird ancestors and ancient customs.
Not that they think they are invincible.
The Taoist Priest is very strong, and has almost reached the acme of the realm of imperial power. He is confident that he can deal with the strange ancestors, and even doesn't care about their resurrection ability.
What's the use of resurrection?
I will seal you. If you don't kill me, you can't commit suicide.
That's all right.
They don't care much about ancient customs, because they can see that ancient customs lead to strange ancestors