Create a Kingdom of Immortals, and Have 100,000 Immortals Practice Evil and 99,000?

Xing Yu traveled through the parallel world and obtained the system of cultivating immortals. The system wanted him to create a... Everyone is like a dragon, working hard to cultivate, eliminate demons, defend the Tao, and support justice. Caring for all living beings, loving both virtue and talent, and creating a peaceful fairyland for all generations. But what Xing Yu created was... Selfish, killing people to live longer, cruel and ruthless, treating human life as nothing! If you don't agree with me, your entire clan will be sacrificed to the evil cultivator's country of Ten Thousand Soul Banners! One hundred thousand immortals, ninety-nine evil cultivators! On a certain day... Xing Yu led countless evil cultivators out of the country and began to attack all races! Wherever it passes, even earthworms will be split vertically in half. Can't beat it? That means you haven't mastered the Ten Thousand Soul Banner. Demon King of the Demon Clan: I'm so panicked. They say that I, the Demon Clan, are the best tonic for the Ten Thousand Souls Banner! God King of the God Clan: Our tribe has been killed and turned into an endangered species! Demon Emperor: Today I am going to eliminate the demons and defend the Way, and give our tribe a peaceful world! Xing Yu: Don't be afraid, it's useless to be afraid, we are not good people. "If you don't mind it, please follow me in my Ten Thousand Souls Flag." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.