An orphan and historian in his previous life, Li Chengji transmigrated into the crown prince of the Great Yan Dynasty. To escape royal strife, he feigned muteness for six years and was dismissed as a worthless heir. When envoys from the Canglang Tribe came to extort tribute and territory, publicly mocking him as the mute prince, Li Chengji spoke for the first time—using the tribe’s royal secret language to expose their confidential weaknesses, so intimidating the envoys that they knelt in submission. He attributed his knowledge to "divine instruction in a dream," won the right to participate in state affairs, and revealed astonishing political acumen: he proposed befriending distant states to attack the Canglang and reforming agriculture and transport to root out corruption, all while navigating the emperor’s suspicions and opposition from Imperial Uncle Liu Chengfeng. Liu plotted to poison the crown prince, but Li Chengji exposed the scheme, using it to purge the Liu faction and corrupt officials. He introdu
