Nightmare
Large fiend, neutral evil Armor Class 13 (natural armor) Hit Points 68 (8d10 + 24) Speed 60 ft., fly 90 ft.
STR DEX CON INT WIS CHA
18 (+4) 15 (+2) 16 (+3) 10 (+0) 13 (+1) 15 (+2) Damage Immunities fire Senses passive Perception 11 Languages understands Abyssal, Common, and Infernal but can’t speak Challenge 3 (700 XP) 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.