Killer

Killer, also known as "Massacre Soldier," is a pirate in the anime and manga series *One Piece*, serving as a combatant of the Kid Pirates. He is one of the twelve pirates dubbed the "Worst Generation." Killer is Eustass Kid's right-hand man, recognized for his calmness and impressive fighting prowess. He typically wears a mask with holes and wields a pair of scythe-like weapons called "Punishers." During the Wano Country arc, Killer ate a defective SMILE Devil Fruit, losing his ability to express negative emotions and adopting the alias "Kamazo the Manslayer,” becoming an assassin for Kurozumi Orochi. Despite these hardships, his loyalty to Kid remains unwavering. Killer is a skilled fighter proficient in hand-to-hand combat and Armament Haki. He is known for his speed, precision, and relentless attacks, having even clashed fiercely with swordsmen like Roronoa Zoro. Killer is a complex character with a story marked by challenges and steadfast loyalty.