In his previous life, the protagonist loved ancient books and military strategy, and mastered martial arts such as Xingyi boxing, the Tai Chi spear, Baguazhang, and the Yue family spear. He transmigrates into the twelve-year-old Zhuge Zhan. There is no System: the energy of spacetime boosts his intelligence, and in the end he revives the Han Dynasty three times. The synopsis can’t do it justice, so read the story.