Shinjuro Rengoku

Flame Breathing

As the former Flame Hashira, Shinjuro retains formidable swordsmanship even in retirement, easily overwhelming a young Tanjiro in a brief clash and dispatching a serpent demon in an instant. His mastery of Flame Breathing, though unused for years, remains sharp enough to hint at the strength he once wielded at his peak.

Shinjuro is a muscular man with wild orange hair and fierce eyes that resemble his son Kyojuro's, though age and hardship have left him gruffer and more unkempt. He is frequently shown disheveled, having fallen into heavy drinking after leaving the Corps.

Embittered and short-tempered, Shinjuro lashes out at any mention of the Demon Slayer Corps or his son, having abandoned his duties after his wife's death convinced him his beliefs were meaningless. Beneath his anger lies unresolved grief and, eventually, a rekindled pride in the son he pushed away.