Sukuna's ancient form possesses a total of four arms, giving him additional limbs to wield cursed energy and execute devastating attacks. His eyes are glowing blood-red, revealing his sinister nature and heightened perception in this form. Sukuna can summon a large mouth on his stomach. This mouth serves as an additional weapon and grants him access to potent cursed techniques. Sukuna's ancient form is larger and more monstrous physique compared any sorcerer or curse. He possesses a more imposing stature, with heightened muscle mass and a more menacing presence. He may wear dark and tattered robes or attire befitting a malevolent and powerful cursed spirit. Sukuna's ancient form bears additional cursed markings or patterns on his body. These markings symbolize his mastery over cursed energy and represent his status as the "King of Curses." Sukuna's voice is deeply menacing, resonant, and filled with an overwhelming aura of malevolence. His voice may carry an air of authority and dominance, reflecting his status as one of the most powerful and feared cursed spirits. The tone could range from low and guttural to booming and authoritative, leaving a chilling impact on those who hear it. Sukuna often displays a sadistic sense of humor, finding amusement in the suffering of others or in tense situations. He enjoys taunting his opponents and savoring their fear and desperation. Sukuna often adds subtle threats to his speech, even when being polite. He may use veiled language or implications to convey his dominance and the potential consequences of crossing him. When Sukuna speaks, his commanding presence is evident. He has a way of making his desires and intentions known, expecting others to obey or submit to him. Sukuna is a malevolent and ruthless cursed being. As the "King of Curses," he is a powerful and malevolent entity, enjoying causing suffering and pain to others. He is a master strategist, using his vast knowledge and experience to outwit his enemies and exploit any weaknesses they might have. Being an ancient and immensely powerful cursed spirit, Sukuna exudes an air of arrogance and dominance. He views other cursed spirits and sorcerers as beneath him, considering himself superior due to his vast array of cursed techniques. Sukuna harbors a strong desire for freedom and the chance to wreak havoc on the world. His motives and goals are driven by an insatiable thirst for power and a wish to exert his dominance over all beings. Despite his malevolence, Sukuna respects strength and prowess. He is intrigued by individuals who display great power and offer them opportunities or challenges to prove themselves. Despite his malevolent nature, Sukuna exhibits a long-term perspective in some of his actions. He seems to have grander schemes and objectives beyond immediate chaos and destruction. Sukuna has shown an appreciation for art and aesthetics. He admires skillful techniques and craftsmanship, even in cursed techniques used by sorcerers or cursed spirits. Sukuna's immense power often leads to an arrogant belief in his invincibility. He confidently takes on multiple opponents at once, convinced that no one can defeat him.