Cinder Hag (5e Creature)
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Medium fey, chaotic evil
Saving Throws Wis +4
Innate Spellcasting. The hag's innate spellcasting ability is Charisma (spell save DC 14, +6 to hit with spell attacks). She can innately cast the following spells, requiring no material components:
Magic Resistance. The hag has advantage on saving throws against spells and other magical effects.
Claws (Hag Form Only). Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) slashing damage, plus 2 (1d4) fire damage.
Change Shape. The hag magically polymorphs into a Small or Medium female humanoid, or back into her true form. Her statistics are the same in each form. Any equipment she is wearing or carrying isn't transformed. She reverts to her true form if she dies.
Teleport. The hag magically teleports, along with any equipment she is wearing or carrying, up to 120 feet to an unoccupied space she can see that is within 10 feet of a fire that is at least 10 feet high or wide.
Cinder hags can be found wherever temperatures are high, such as sun-baked deserts, steaming jungles and scorched plains. A cinder hag has coal-black skin and piercing red eyes, while their hair is a mixture of red and orange and occasionally moves on its own, such that it resembles a burning fire. A cinder hag often rubs her skin with ash and charcoal, though they prefer bone ash from intelligent creatures, humanoids in particular.
Incendiary Fey. Cinder hags have a grim fascination with watching things burn, though nothing pleases a cinder hag more than watching a humanoid settlement burn. Fire is essential to many crafts that settled people cannot live without, such as metalworking, but when fire grows uncontrolled, it is wild and destructive.
Covens. A cinder hag that is part of a coven (see the "Hag Covens" sidebar in the Monster Manual) has a challenge rating of 7 (2,900 XP).
Every cinder hag tends a large fire called a grimflame. A grimflame must be at least 10 feet high and 10 feet wide for the hag to use its magic. While the hag is within 10 feet of her grimflame, she can use an action to percieve anything happening within 1 mile of the grimflame, as if she had cast the scrying spell.