One Piece: From Soldier to King of the World chapter 229

Starting as a navy soldier, as long as he gets promoted and kills pirates, he can get super-god rewards, so Tang En begins his legendary journey towards the Void Throne. "You become a Navy private, and you will be rewarded with the Sixth Form of the Navy." "You have become an ensign and will be rewarded with a Devil Fruit ability extraction card X1" "You become a lieutenant in the navy, and you will be rewarded with an extremely sharp sword." "You killed an SS-level pirate, and you will be rewarded with 100,000 justice points." "You became an admiral, the reward..." "You became a navy marshal, the reward..." "You become the king of the world, the reward..."