Known to be the "Murder Machine," Killer is one of the most fearsome individuals in the One Piece world. He's a warrior of the Kid Pirates, led by Eustass Kid. With that, he seems to be amongst the more powerful people of the Worst Generation, having an intimidating aura, tremendous fighting skill, and calm nature. An interesting history and his actions during several arcs make Killer a pretty fleshed-out character, thus integral to the One Piece storyline.
Background and Role in the Kid Pirates
Killer's journey through the One Piece world is opened with a close association with Eustass Kid. Spending time together in South Blue, Killer and Kid developed a bond that far surpassed simple friendship, which later created the Kid Pirates. Killer's unwavering loyalty to Kid proves his position as an ultimate Adviser and fierce warrior in the crew.
Killer's status as one of the core fighters places him in the line of battle and in the strategic thinking for the crew's activities. His calm nature and the ability to fight by hand make him very useful to the Kid Pirates, mostly in really difficult situations with strong opponents and other pirate crews.
Physical Appearance and Personality
He has a unique look which can be spotted instantly amidst the crowd of people in One Piece. The first highlight of his appearance is the helmet Killer wears on his head, covering his face, thus adding mystery to the character. His helmet seems to have vertical slits in front, somewhat like a gothic concept. He also wears a sleeveless shirt, gloves, and pants with knee pads. Muscular build and high height only complement the evil guy's outlook.
Though known as Killer, he is a man famous for his calm and collectedness. Unlike most pirates, who are boasters or at best reckless, Killer is a brooding character who does not speak unless he has to, and then only in a very serious tone. His stoicism and sense of duty solidify his reputation for being a reliable, deadly combatant.
Abilities in Battle
Among Killer's defining traits would be his combat prowess. He is specialized in dual scythe-like blades, known as the "Punishers," in which he masters with great adeptness and precision. These weapons will help him deliver quick, deadly attacks, easily making him a close-range combatant. Killer's agility and speed go hand-in-hand with his tactical acumen to execute complicated maneuvers and read opponents' moves.
One of the evident proofs of Killer's fighting skill is his fight with Zoro in the Wano Country arc. For being at a disadvantaged position, circumstances-wise, Killer provided an example of how tenacious and skilled he could actually be at combat, thereby earning respect even from the adversaries. His performances in such battles go on to show that he has become one among the top-ranked fighters in the One Piece world.
Role in the Wano Country Arc and Sabaody Archipelago
He also proves to be quite significant during the Wano Country arc. Killer, otherwise known by his codename "Kamazo the Manslayer," was coerced into an alliance with Orochi because of desperate circumstances. Being part of this arc brings out a totally different dimension of his personality because he is torn between his integrity and desperate survival measures. The amount of emotional and physical torture Killer undergoes in Wano explains a lot about his resilience and dedication to his crewmates.
Additionally, Killer turns out to be very instrumental in the events that unfold at the Sabaody Archipelago, where the Kid Pirates, alongside other members of the Worst Generation, find themselves against numerous powerful enemies at once from both the World Government and the Marines. With his presence during those key moments, one can begin to feel Killer's real importance not only to the Kid Pirates but also to the greater surroundings of the pirate world.