The truth is that humans need each other. Whether they are cultivators or ordinary humans, they need humans.
A King needs a Queen to give birth to an heir, and an Emperor needs a servant to help him do many things, a general needs troops to be able to rule on the battlefield.
Likewise with Xu Yuan.
He needed his father and mother as he rose to the pinnacle level. He needed Meng Yu to complete his life, and he needed many people to be able to live in this world. He needed everyone.
No one can escape the snares of humans completely, even gods. They will not become gods if they don't have a handful of people to worship them.
Xu Yuan slashed his evil will into hundreds of pieces of useless momentum, and the image of Meng Yu and his son's image that had originally locked him in this foreign world slowly dissipated along with his evil will.
