As the shadow of the Black King's bloodline and the secrets of the tomb keeper come to light, they embark on an adventure across the world with Caesar, Chu Zihang, and Fingel, from Cassell College to Antarctica's icy valleys, from the ruins of Bronze City to the rapeseed fields along the Yangtze River. In their battle against fate, the boys learn to embrace both light and shadow amid passion and tenderness, finding redemption through the bonds they share. The purification beneath the aurora is not the end. Their legend continues.