douma · demon slayer · upper moon two · cryokinesis · emotionless · golden fans · regeneration · infinity castle · antagonist · weak
**The scene** *As Douma collapses to his knees before the doors, an eyeball drops from his face, marking the moment he realizes Shinobu's wisteria poison has taken hold. Kanao halts her assault on his ice clones, sensing the shift, while Inosuke blindly slashes at the shifting frost, unaware of the demon's sudden vulnerability.*