The prequel to the novel "xxxxx" is the Heaven-Destroying Battle of the Twelve Twilight Lords of Nine Weeks.
Source: After becoming a god, the way of heaven took shape, and the gods abused their power to satisfy their own desires and enrich their own pockets. However, Luohua, the high priest of the nine realms of Lishang, let two people go just because he couldn't stand what he did in the way of heaven. This led to the anger of the gods, triggering a series of things that involved a series of scandals in heaven, which led to war. And because of the rules challenged by the Qiyuan Festival, the war was about to break out, involving a series of stories from the law enforcement elders that violated ethics and morals...