Record of Immortality in the Warring States Period: Ying Zheng Worshiped Me as His Teacher

[Time Travel + Warring States Period + Immortality + Imagination + History] Li Xuan accidentally traveled through the Warring States Period, rescued Ying Zheng and became his teacher, experienced the Battle of Handan, was chased by all parties and escaped, but he spied the secret of immortality. Assisting Yingzheng to unify the six countries, manipulate the situation, get involved in the mystery of immortality, and attract all parties to fight. Who dares to fight against the strongest Meng Tian in the world? Li Xuan, who seems to have no part in the game, has already had a causal relationship with him in the mystery of immortality...