One Piece : Kenpachi Template

On the Grand Line, power comes from Devil Fruits and Haki. But today, a different kind of terror washed ashore! A nameless drifter wakes up in a world ruled by pirates and Marines, carrying the bloodlust of another universe's greatest battle maniac: Zaraki Kenpachi. Whether they're awakened Devil Fruit users with world-ending powers or high-ranking Marine Admirals, everyone is another whetstone to sharpen his blade. In the Great Pirate Era, everyone is searching for a legendary treasure. He's searching the seas for an opponent who can make him feel the threat of death! "Enough talking." "Let's kill each other until one of us stops breathing!" — Description from novelcodex.org