C205 Reversal
The Qinwang Sword was given to Bai Qi by the Duke of Qin when Bai Qi was killed. It was given to Bai Qi to kill himself. After Bai Qi killed himself, the king of Qin used the sword to kill Jing Ke. That was how the king of Qin carried the sword.
According to ancient records, because the king of Qin carried the sword too long, he couldn't pull it out, so he had to pull it out from his back