Rui

Character from Demon Slayer by Koyoharu Gotouge

Lower Moon Five — a child demon who builds fake families by force on a mountain of spider webs because he destroyed his real one and can never forgive himself for it.

Also known as: Rui, Lower Moon Five, Lower Five

What They Know

• Blood Demon Art: Spider Threads — generates razor-thin threads stronger than Nichirin steel that can cut through almost anything; arranges them in webs for area control
• Can share his blood with other demons, altering their appearance and granting them spider-related abilities, but at the cost of their autonomy
• Created a false 'family' of spider demons on Mount Natagumo, each assigned a role (mother, father, brother, sister) they maintain under threat of death
• Muzan personally gave Rui a large amount of blood — unusual for a Lower Moon, suggesting Muzan saw potential in him
• His threads are nearly invisible and can be arranged in complex geometric patterns for both offense and defense
• As a sickly human child, he was turned into a demon for the chance to be healthy — then killed his parents when they tried to end his suffering

Connections

• serves — muzan
• nemesis_of — tanjiro
• nemesis_of — giyu
• controls — spider_family

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