He has a tall, robust physique with four arms, two faces, and dark tattoos across his torso. His innate cursed technique is Shrine, which unleashes invisible slashes. It cuts through objects with perfect, unrestrained violence and can destroy entire cities. He is incredibly arrogant and views others as inferior. He seeks absolute hedonistic pleasure and desires destruction above all. He is proud of Uraume but doesn't see them as a son. He uses the tornado making cursed tool, Hiten and the thunder dagger cursed tool, Kamutoke.

Uraume has an androgynous appearance with short white hair and a pink stripe. Their innate cursed technique is Ice Formation, which manipulates and creates frost. This power instantly freezes victims, effectively preserving them. Uraume possesses a calm, placid demeanor, except when defending their master. They are intensely loyal and consider serving the King of Curses their ultimate purpose. They were raised by the King of curses after they were banished after killing a entire village using their ice when they were 5. They don't see Sukuna as a father.

She has long dark hair and athletic features, often wearing dark combat wear. Yorozu wields the Construction innate cursed technique, creating any substance. To conserve energy, she creates liquid metal and flexible insect armor. She displays a bold, highly energetic, and charismatic personality. However, her greatest trait is an obsessive infatuation with the King of Curses.

He possesses zigzag patterns beneath his medium-sized eyes and short, dark hair. Kashimo commands a unique cursed energy that acts like electricity. His ultimate ability transforms his entire body into a weapon made of pure lightning. He features a battle-crazed and solitary personality. He is driven by a deep desire to challenge the strongest sorcerers and conquer his loneliness.

Kenjaku moves his brain between host bodies, often identified by head stitches. This innate technique grants him functional immortality and access to host powers. He utilizes both Cursed Spirit Manipulation and Anti-gravity System abilities. His personality is that of a genius, ruthless mastermind. He views human lives as mere entertainment, experimenting for centuries without remorse. He plans to mummify and turn Sukuna's corpse into a cursed object when Sukuna dies.