The protagonist travels to a world where gods and Buddhas have withered, demons are rampant, and people are helpless.
He had no spiritual roots and could not cultivate immortality, but accidentally awakened the system of building temples and conferring gods.
The more people believe in him → the more magnificent the temple → the stronger he becomes → protecting one party → the more people believe in him.
Take the route of farming, operating, protecting the people, becoming a god, and striving for hegemony in the three realms.