Armor Class 13 (natural armor)
Hit Points 22 (5d6 + 5)
Speed 20 ft., fly 40 ft.
Damage Resistances cold, [object Object]
Damage Immunities fire, poison
Condition Immunities poisoned
Senses darkvision 120 ft., passive Perception 12
Languages Infernal, telepathy 120 ft.
Challenge 2
Devil's Sight. Magical darkness doesn't impede the devil's darkvision.
Flyby. The devil doesn't provoke an opportunity attack when it flies out of an enemy's reach.
Limited Spines. The devil has twelve tail spines. Used spines regrow by the time the devil finishes a long rest.
Magic Resistance. The devil has advantage on saving throws against spells and other magical effects.
Multiattack. The devil makes two attacks: one with its bite and one with its fork or two with its tail spines.
Bite. Melee Weapon Attack: +2 to hit, reach 5 ft., one target. Hit: 5 (2d4) slashing damage.
Fork. Melee Weapon Attack: +2 to hit, reach 5 ft., one target. Hit: 3 (1d6) piercing damage.
Tail Spine. Ranged Weapon Attack: +4 to hit, range 20/80 ft., one target. Hit: 4 (1d4 + 2) piercing damage plus 3 (1d6) fire damage.
Monster Manual (2014), p. 78