Heavenly Khan

A modern person's soul has traversed to the Tang Dynasty, merging with the eldest son of Princess Taiping, Xue Chongxun. He tragically discovers that, according to the course of history, his family will be killed by Li Longji in just over a year. Li Longji has become his destined arch-enemy. Where should the protagonist go from here? In order to survive, does he have the qualifications to become a rival to the extraordinary Li Longji? How should the poetry of the flourishing Tang Dynasty be interpreted?