Thessalhydra

D&D 2024 monster: Thessalhydra. Source: Hunt for the Thessalhydra. challenge rating 4, creature type Monstrosity, Huge size, speed 30 ft., swim 30 ft. The thessalhydra is a strange and terrible creature with eight heads surrounding a large, circular mouth rimmed with jagged teeth. Its maw drips with acid, and its tail ends with a pair of sharp pincers. The thessalhydra is gluttonous and damaging to any environment. Monstrosity Huge 30 ft., swim 30 ft.