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Variants
Statblocks only visible to DM
- [[Grindylow - Single CR 0.125.png]]
- [[Grindylow - Full-grown CR 0.25.png]]
- Grindylow - Swarm CR 2.png
Description
Grindylows are small, horned water demons native to the lakes and marshes of the British Isles, particularly found in the depths of the Hogwarts lake. They are known for their aggressive nature and ability to drag prey underwater.
Physical Characteristics and Abilities

- Small, pale-green creatures.
- Horned.
- Long, spindly arms with sharp fingers.
- Ability to latch onto prey and drag them underwater.
Habitat and Behavior
- Native to the lakes and marshes of the British Isles.
- Found in the depths of the Hogwarts lake.
- Hostile and aggressive.
- Attack magical and non-magical beings who stray too close.
Magical Significance and Control
- Classified as dark creatures.
- Fragile fingers, allowing escape with force.
- Kept at bay by merpeople.
- Wizards and witches use defensive spells against them.
- Pose a threat to unsuspecting swimmers or divers.