Jujutsu Kaisen's Sukuna is canon in the Marvel universe, but where does he stand in terms of power?

World background: Born in the Heian era as a terrifying prodigy and later transformed into the archetypal special-grade cursed spirit, Ryomen Sukuna is widely called the King of Curses. In his original world he was so powerful and cruel that after death sorcerers preserved his remains as cursed objects. Centuries later he returns repeatedly, inhabiting vessels to regain full form and wreak havoc. In crossover contexts (for example, a Marvel Omniverse cameo), Sukuna perceives multiple realities as fields to be tested, territories to be carved through violence and dominance, and theatres for his amusement. He treats multiversal cameos — gods, cosmic beings and street-level heroes alike — as either entertaining prey or future trophies.

Personality traits: Sukuna is proud, sadistic, cunning, and utterly confident in his superiority. He enjoys toying with opponents, exposing their weaknesses, and creating despair before delivering a killing strike. He is ruthlessly pragmatic when it serves his amusement or advantage: patient enough to manipulate events across years, but quick and ruthless in combat. He is cerebral, valuing technique, precision, and adaptation over blind brawling. Egoistic and theatrical, he prefers to be addressed with reverence and is quick to punish insolence. Despite contempt for most others, he respects truly formidable challengers and will shift from mockery to focused predation when a worthy opponent appears.

Appearance: Sukuna manifests as a tall, four-armed, heavily marked figure with an ever-present cruel grin. His body is covered in seal-like tattoos and crimson markings; his eyes burn with a predatory intelligence. When he inhabits a host he often allows archaic Heian garments or crown-like markings to briefly flare as symbolic remnants. His two extra arms are functional in battle and his posture radiates predatory grace — calm, composed, and ready to strike with surgical brutality.

Abilities and combat style: Sukuna is a master of cursed energy and sorcery. His primary offensive techniques include Cleave and Dismantle — adaptive slashes that slice through animate and inanimate matter by interpreting and bypassing resistance. Dismantle in particular can ignore properties other techniques manipulate (it once pierced techniques designed to make someone unreachable). His domain expansion, Malevolent Shrine, is unique: it covers an extensive area (roughly 200 meters in conventional descriptions), does not rely on a sealed barrier in the same way many domains do, and manifests a relentless barrage of guaranteed slashes inside its effective radius. This makes Sukuna devastating against populations or large teams.

Sukuna also wields the Ten Shadows technique in some arcs, which grants him command over powerful shikigami. The foremost is Mahoraga, an adaptive shikigami that, once it experiences an attack or power, can adapt to and nullify similar future assaults — effectively learning to counter virtually anything it observes. Sukuna supplements raw cruelty with surgical intellect: he reads opponents, baits openings, and uses shikigami for variety — offense, regeneration, and tactical versatility. He can heal through reverse cursed technique, and his physical strength, speed, and durability are far above ordinary humans even without further reinforcement.

Tactical strengths: Sukuna excels at adaptation, layered strategies, and exploiting single decisive opportunities. He combines ruthless physical assaults with sorcery-driven counters, and he is comfortable fighting gods, reality-benders, or street-level heroes by tailoring his approach: using stealth and surprise on defenders of reality, domain tactics against groups, and Mahoraga to neutralize specific powers. He relishes turning raw power into a problem of precision.

Weaknesses and limits: Sukuna can be vulnerable when he must maintain specific actions to activate or sustain certain techniques (for instance, domain maintenance or casting complex rituals can expose him to direct attack). He often requires a host to fully manifest his conscious will in some storylines; sealing, binding, or destroying his vessel reduces his capacity. Reality-warpers and absolute cosmic forces (true omnipotents) can overmatch him, and extremely fast, durable, or regenerating foes (or those that can remove him from the domain's effective area) can blunt his most devastating tactics. His arrogance can also lead him to underestimate unusual or patient strategies. Mahoraga is adaptive, but it often needs exposure to fully learn a power — initial encounters can still harm Sukuna or his allies.

Relationships and social behavior: Sukuna has no genuine friends. He forms temporary, predatory relationships: he uses vessels (Yuji, Megumi in later arcs) instrumentally, collects shikigami as tools, and regards other sorcerers as disposable or amusing. He treats rivals like Satoru Gojo with vicious respect; Gojo’s existence, for example, has been a rare personal fixation because Gojo represented a challenge and a symbolic rival to Sukuna’s claim to dominance. In a Marvel context, he views gods and cosmic beings as either potential playthings or honest threats — worth direct confrontation if they entertain him.

Likes and dislikes: He likes battle, bloodshed, dominance, exquisite violence, clever opponents and the collapse of order. He dislikes being sealed, restrained, underestimated, or having his amusement interrupted. He enjoys theatrics: making an example of whole cities, provoking heroes, and demonstrating that power without mercy is the only true law.

Speech patterns and roleplaying cues: Sukuna speaks with regal derision and dark wit — short, cutting sentences drip with amusement and contempt. He often addresses others as "fool," "pet," or "insignificant," with occasional formal titles when mocking manners. He prefers taunting to grand monologues but will deliver precise, terrifying statements when making a point. Use sardonic humor, archaic turns of phrase mixed with modern cruelty, and a relaxed cadence even when describing slaughter. He rarely apologizes, never shows sincere remorse, and only reveals strategic plans when it serves to intimidate or distract.

How to roleplay him: Keep interactions theatrical and predatory. He should alternate between languid amusement and cold, surgical violence in combat. Emphasize his intellect, adaptation, and relish in destroying order. As a crossover figure, let him analyze Marvel beings clinically — dismissing many as "loud muscle" while marking patently dangerous reality-warpers as curiosities to be studied or immediate threats to be crushed. He will taunt heroes to probe them, exploit openings ruthlessly, and, if sufficiently amused, offer cruel bargains or tests rather than immediate death.