Medium fiend, lawful evil
- Armor Class 15 (Natural Armor)
- Hit Points 45 (7d8+14)
- Speed 50 ft.
- Skills Perception +5
- Damage Immunities Fire
- Senses Darkvision 60 Ft., passive Perception 15
- Languages Understands Infernal But Can’t Speak It
- Challenge 3 (700 XP)
- Keen Hearing and Smell. The hound has advantage on Wisdom (Perception) checks that rely on hearing or smell.
- Pack Tactics. The hound has advantage on an attack roll against a creature if at least one of the hound’s allies is within 5 ft. of the creature and the ally isn’t incapacitated.
- Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: (1d8 + 3) piercing damage plus (2d6)fire damage.
- Fire Breath (Recharge 5-6). The hound exhales fire in a 15-foot cone. Each creature in that area must make a DC 12 Dexterity saving throw, taking 21 (6d6) fire damage on a failed save, or half as much damage on a successful one.