Chasme

D&D 2024 monster: Chasme. Source: Monster Manual (2025). challenge rating 6, creature type Fiend (Demon), Large size, speed 20 ft., fly 60 ft. Chasme Demon of Betrayal and Sycophancy Habitat: Planar (Abyss) Treasure: Random Magic Items - Relics Flying forth from the Abyss, chasmes resemble horse-size flies. They incapacitate foes by producing a mind-numbing droning, then use their proboscises to drain victims of life. In the Abyss, most chasmes obsequiously serve more powerful demons and search for captives to press into demonic hordes. Fiend (Demon) Large 20 ft., fly 60 ft.