
Despite his efforts, Muzan's fear of death, particularly from the sun, still persists. To locate it, Muzan has transformed people into demons, exploiting their loyalty and utilizing his own strength and charisma. This elusive flower only blooms during select instances in the daytime throughout the year. The fact that these ranks had remained unaltered for centuries emphasizes that the tides of the Demon Slayer Corps' battle against Muzan's forces are finally turning against the Demon King.įor centuries, Muzan's attempts to obtain the rare Blue Spider Lily and complete his treatment have been in vain. However, his desperation has intensified in recent arcs of Demon Slayer as three of the Twelve Kizuki's Upper Ranks have met their demise. Muzan, throughout his life, has strived to eliminate his sole vulnerability. Furthermore, Nezuko's refusal to feed on human flesh and her reliance on sleep for recovery may have played a crucial role in her unique development. Another speculation points to Nezuko's exceptional lineage, which includes ancestors who practiced Sun Breathing techniques and her mother's knowledge of the rare Blue Spider Lilies. This notion gains support from the Swordsmith Village Arc, where Tamayo revealed Nezuko's blood was evolving at an astonishing rate, capable of even curing a demon in Asakusa. One theory suggests that her rapid growth, fueled by the high concentration of Muzan's blood she ingested during the attack on her family, contributes to her invulnerability. Nezuko's immunity to sunlight has been linked to various factors. With freedom to walk beneath the sunlight, Nezuko approached her brother, and he embraced her with overwhelming joy at her unexpected survival. To his astonishment, Nezuko had partially regained her human traits, including the ability to speak.


After defeating the demon, Tanjiro surveyed his surroundings and realized that his sister was still alive. She forcefully kicked Tanjiro aside, propelling him towards Hantengu's enlarged and headless form. However, Nezuko took matters into her own hands. Balancing the task of shielding his sister from the impending daylight and rescuing her from certain death was a formidable task. In the intense battle against Upper Rank Four Hantengu, as the sun ascended above the village's surrounding mountains, Tanjiro faced a challenging decision.Īlthough Tanjiro had beheaded Upper Rank Four, he witnessed the headless body of Urami, one of Hantengu's manifestations designed to protect the main body, pursuing a group of defenseless swordsmiths. Throughout the centuries, no demon, not even Muzan, has been able to withstand sunlight without incinerating into ashes. Nezuko's immunity to the sun sets her apart from all other demons. Muzan aims to absorb her in the hopes that she will assist him in his quest for true immortality and the transcendence of death itself.

Despite being a demon, Nezuko possesses the ability to withstand sunlight. However, the focus of Demon Slayer now shifts to Muzan's relentless pursuit of Nezuko Kamado. Frustrated by his disfigurement, Muzan killed the doctor, but soon came to realize that he had been healed, except for his sensitivity to sunlight and insatiable hunger for human flesh.ĭriven by the desire to eliminate the only remaining threats to his life, Muzan spent centuries searching for the same flower that had seemingly granted him his cure.

This impending death instilled a deep fear in him, which he carried throughout his centuries as a demon.ĭesperate for a cure, Muzan received treatment from a doctor using an experimental medicine derived from the Blue Spider Lily. Originally, Muzan was a delicate young man plagued with a terminal illness that threatened to end his life before he turned 20. In the Swordsmith Village Arc of Demon Slayer Season 3, significant revelations unfolded about the past life of Muzan Kibutsuji, the Demon King, and the events that led to his transformation into the first demon.
