Giant Sea Eel

D&D 2024 monster: Giant Sea Eel. Source: Ghosts of Saltmarsh. challenge rating 1/2, creature type Beast, Large size, speed 0 ft., swim 40 ft. Snaking predators lurking in the dark waters of the ocean, these kelp-colored beasts serve as guards and mounts for the locathah (including those found in Danger at Dunwater). Beast Large 0 ft., swim 40 ft.