I Have a Sword That Can Kill Immortals

A young man, holding a sharp sword, entered the world alone, causing countless storms. After going through many dangers, no one could stop him, and finally he discovered the secret of immortality. When he set foot on the path of immortality, I was invincible. Young man, do you want to cultivate immortality and live forever, or do you want to stay in this mortal world? Stay with loved ones and friends who will eventually be lost. Immortal, isn't it amazing? I will kill him with one sword. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.