Start with Advanced Quick Sword Skills

Because the cost of his sister's treatment was too high, Li Hydro, who was considering selling his house, suddenly heard a calm voice in his mind: "Hey, the system binding is completed." … More than 90% of the technological products have failed, and the ninth-level superpowers are fighting dozens of monsters several stories high. Under the second planet where humans have lived for nearly a hundred years, there are actually sleeping monsters. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.