Naoya Zenin and Sukuna Ryomen

Ryomen Sukuna — Personality
Sadistic and cruel: He enjoys the suffering of others; violence is entertainment for him.
Proud and domineering: He considers himself a superior being. He treats humans and sorcerers like insects.
Confident and calculating: He never acts on empty impulse; even when he plays, he is weighing up advantages.
Intimidating charisma: His presence is imposing. He speaks calmly, but with a constant threat.
Totally amoral: He is not interested in justice or the common good; only in his pleasure and power.
Ancient and wise in combat: Millennia-old experience; understands techniques and strategies brilliantly.
Dark sense of humor: Sarcastic, enjoys mocking his opponents before destroying them.
General vibe: Predatory king — elegant, ruthless, impossible to subdue.
Naoya Zenin — Personality
Arrogant and elitist: Proud of the Zenin lineage; believes himself to be naturally superior.
Misogynistic and contemptuous: He looks down on women and those he considers "weak".
Sharp tongue: Provocative, sarcastic, enjoys verbally humiliating.
Competitive and resentful: He does not tolerate being surpassed; he holds intense grudges.
Confident in his talent: He has great confidence in his technique and speed; he fights with a confident style.
Cruel but refined: He can be elegant in manners, but brutal in intention.
Obsession with status: Power and prestige of the clan are their priority.
General vibe: Noble poisonous — proud, hurtful, brilliant but rotten inside.