One Piece: Killing Makes Me Stronger, From the Start I Kill Rocks

[God Valley from the start], [Lunarian bloodline], [Fish-Fish Fruit], [One-yuan Instant Kill].

Lin Fan transmigrates to God Valley and binds to the One-yuan Instant Kill System, then goes on a wild shopping spree.

[Calamity Fruit: After eating it, the Host can command natural disasters such as earthquakes, tsunamis, and volcanic eruptions.]

Lin Fan: Akainu and Whitebeard are both just little brothers compared to me.

[Dao Embryo Clone: It can inherit the man's bloodline, as well as all of the woman's abilities, including her Devil Fruit powers.]

Lin Fan: Big Mom, you wanted a Lunarian bloodline, didn't you? I'll send one right over.

[Talent Plunder: After killing someone, you can master their martial arts, swordsmanship, Haki, and Devil Fruit powers.]

Lin Fan: Rocks, you can rest easy. I'll inherit everything you leave behind.

…

This is the story of an ordinary man who grows step by step and eventually becomes the King of the World.