Monster Manual, page 60
Manes CR: 1/8
Small fiend (demon), chaotic evil
Armor Class: 9 (natural armor)
Hit Points: 9 (2d6+2)
Speed:
20 ft
Skills: Proficiency Bonus +2
Damage Resistances: cold, fire, lightning
Damage Immunities: poison
Condition Immunities: poisoned
Senses: Darkvision 60 ft, Passive Perception 9
Languages: understands Abyssal but can't speak
Challenge Rating: 1/8
Actions
Claws. Melee Weapon Attack: +2 to hit, reach 5 ft., one target. Hit: 5 (2d4) slashing damage.