There are three types of Haki, two of which can be used by anyone. However, very few people ever learn how to activate either of the two forms, and even fewer achieve total mastery of them. The two ...

As the Straw Hat captain, he’s had to level up his skills to take on tougher foes, and learning Observation Haki, Armament Haki ... making him a real threat to the Yonko. Conqueror’s Haki ...