Mavka
Medium Undead, chaotic evil
Armor Class 17 (natural armor)
Hit Points 170 (20d8+80)
Speed walk +30
Challenge 12
Saving Throws cha +8, con +8, dex +6, str +9
Skills nature +5, athletics +9, perception +5
Damage Resistances acid, fire, necrotic; bludgeoning, piercing, and slashing from nonmagical attacks
Damage Immunities cold, lightning
Senses darkvision 90 ft., passive Perception 15
Languages Common, Infernal, Sylvan
Special Abilities
Innate Spellcasting. the mavka's innate spellcasting ability is Charisma (spell save DC 16, +8 to hit with spell attacks). She can innately cast the following spells, requiring no material components: constant: protection from evil and good at will: create or destroy water, dancing lights, ray of frost, resistance, witch bolt 3/day each: darkness, hold person, inflict wounds, invisibility, silence 1/day each: animate dead, bestow curse, blindness/deafness, contagion, dispel magic, vampiric touch
Nightmare Mount. A mavka is bonded to a nightmare when it is created. Mavkas are encountered with their mounts 95% of the time.
Sunlight Hypersensitivity. The mavka takes 20 radiant damage when she starts her turn in sunlight. While in sunlight, she has disadvantage on attack rolls and ability checks.
Actions
Multiattack. The mavka makes two slam attacks.
Slam. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 23 (4d8 + 5) bludgeoning damage plus 11 (2d10) necrotic damage.
Source: Tome of Beasts · OGL/Open