On the Canglan Continent, four kingdoms stand in a balance of power. To the south of the Central Plains lies Dilin, founded under the imperial surname. It has the largest territory and greatest strength. In the southwest is the small kingdom of Nanjiang, where the terrain is rugged and people are skilled in poison and sorcery. To the west lies Xiying, a kingdom with barren lands and the fiercest warriors. In the eastern seas lies Lanyue, whose people share the surname Lan. Far from conflict, its people are the kindest.
North of Dilin lies the Northern Frontier, home to a single city called Northern Frontier City. The Northern Frontier has stood on the continent for a thousand years, independent of the four kingdoms. Established to guard the forbidden lands, it holds a lofty status across the continent. West of the Northern Frontier are the China tribes, who have occupied the desert for many years, living around its oases.
The Northern Frontier is revered by all four kingdoms. Within its borders stand Northern Frontier City, whose lord is Xu Wu, the Northern Frontier Bureau, and Jinghong Peak.
Lan Xing, a direct disciple of Que Fusheng of Jinghong Peak, excels at divination. Since Que Fusheng vanished from the world, the seal on the forbidden lands has grown weaker by the day, and Lan Xing has become increasingly worried about the future of the Northern Frontier and the continent...