I Transmigrated into a Demon King and Took My Subordinates to Cultivate Immortality

Cultivation Novels Where the Protagonist Doesn't Know They're a Big Shot

I read a novel a while ago that was kind of a System story. The protagonist did quests, and the System gave them a bunch of divine artifacts and spirit pets, but the protagonist treated them like ordinary objects. I suddenly really want to read it again. Could you recommend a few books, please?