As is well known, in the Southern Region, there is an absolutely untouchable force, the Cao Tang. The eldest disciple is the Southern Region's Green Cloud Sword Saint, a master of the sword. The second disciple is the Eternal Empress, who rules an era. The third disciple is a great scholar of the present age, a star of literature. The fourth disciple is the reincarnation of a demon god, suppressing the nine netherworlds. ... Lu Changsheng: Me? I'm not that great, just their master.