Amphibious. The hag can breathe air and water.
Mimicry (Green Hag). The hag can mimic animal sounds and humanoid voices. A creature that hears the sounds can tell they are imitations with a successful DC 14 Wisdom (Insight) check.
Innate Spellcasting. The hag's spellcasting ability is Charisma (spell save DC 12). It can innately cast the following spells:
At will: dancing lights, minor illusion, vicious mockery
Illusory Appearance. The hag covers herself with a magical illusion that allows her to look like another creature of her general size and shape. The illusion ends when the hag chooses, or if she dies. A DC 20 Intelligence (Investigation) check will expose the hag's disguise.
Invisible Passage. The hag magically turns invisible until she attacks or casts a spell, or until her concentration ends. While invisible, she leaves no physical evidence of her passage, and can only be tracked by magic.
Claws. Melee Weapon Attack: +6 to hit, one target. Hit:17 (2d8 + 4) slashing damage.
Dankwood hags are the worst kind of hags in the world. They are creepy and grumpy with long fingers that end in iron claws. They are known to eat small goblins and other warm-blooded creatures, but Dankwood hags are especially fond of sparkleberry tarts.