Nightmare

Large fiend, neutral evil

Armour Class: 13 (natural armour)
Hit Points: 68 (8d10 + 24)
Speed: 60 ft., fly 90 ft.

Damage Immunities: fire
Senses: passive Perception 11
Languages: understands Abyssal, Common, and Infernal but can’t speak
Challenge: 3 (700 XP)

Abilities

Confer Fire Resistance – The nightmare can grant resistance to fire damage to anyone riding it.

Illumination – The nightmare sheds bright light in a 10 foot radius and dim light for an additional 10 feet.

Actions

Hooves – Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) bludgeoning damage plus 7 (2d6) fire damage.

Ethereal Stride – The nightmare and up to three willing creatures within 5 feet of it magically enter the Ethereal Plane from the Material Plane, or vice versa.