
Grick Ancient
D&D 2024 monster: Grick Ancient. Source: Monster Manual (2025). challenge rating 7, creature type Aberration, Large size, speed 30 ft., climb 30 ft. Gricks can live for centuries, with the eldest growing to monstrous sizes. Grick ancients actively hunt more than they wait in ambush, and they have no qualms about devouring smaller gricks. Gricks Worms That Hunt the Dark and Decaying Habitat: Forest, Underdark Treasure: Any Gricks are wormlike predators that burst from hiding-flailing and snapping-to consume whatever prey passes near. They hide in cavernous crags or amid deadfalls, the scattered bones and possessions of past meals the only evidence of their threat. Gricks' origins are unclear, but some suggest these creatures arise from natural worms or similar invertebrates mutated by magical phenomena. Many cite the presence of gricks in a region as evidence of portals to other planes of existence, legendary magic items, or powerful supernatural beings. Aberration Large 30 ft., climb 30 ft.