When he first arrived in Xianyang, Ying Zheng had nightmares at night. He could only sleep peacefully by holding on to Li Heng's sleeve, and asked in a low voice: "Brother, will you stay with me until the world is reunited?"
A mysterious jade slip took Li Heng through time to the Warring States Period. The jade slip revealed the words "Bingyin winter, Handan changes." Strange people come from outside the sky...", What abilities will the mysterious jade slip bring to Li Heng? What kind of unprecedented changes will it bring to the Warring States Period?
