I Can Level up Even If I Kill People

Chu Xuan, who traveled to another world, got a killing upgrade system. Not only could he get attribute points by killing people, but he could also get martial arts and even skills. So, he set his sights on those unparalleled geniuses... Holy Son Tianhua: "We have something to discuss, can we please not use the knife?" Son of the Demon God: "Except for the duel, I will accompany you to the end!" Sanctuary Goddess: "We are all gentlemen, if you can, use your words instead of your hands!" Henry Chu: "Okay! This is what you said!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.