My Sword Skills Are Invincible

"I heard that there is another son of luck who wants to challenge the sword master." A certain ancestor said. "I heard that this son of luck has become the successor of a true immortal, which is amazing!" Another ten thousand-year-old monster king said. "But that sword master is invincible." A certain ancestor looked very frightened. ... In a certain forbidden area, Wu Ming put away the musket in his hand and said to the fallen son of luck: "You will lose if you hesitate, young man."