Luffy has awakened Gear 5 in One Piece, which is possibly the final transformation he may be able to awaken with his Devil Fruit. However, the introduction of this technique sparked heated debate ...

Luffy was able to manifest the advanced versions of Armament Haki and Conqueror's Haki. For the former, Luffy trained in the Prisoner Mine, and learned how to deal internal damage using Ryuo.

One Piece has had Luffy making the most of his time in Udon Prison by training to strengthen his Color of Arms Haki to a point where he can hit opponents without touching them. Luckily, the newest ...