Armor Class 18 (natural armor)
Hit Points 75 (10d8 + 30)
Speed 40 ft.
Skills Perception +3
Damage Resistances cold, fire, lightning, [object Object]
Damage Immunities acid, poison
Condition Immunities poisoned
Senses blindsight 60 ft., darkvision 60 ft., passive Perception 13
Languages Abyssal, Infernal, telepathy 60 ft.
Challenge 5
Magic Resistance. The mezzoloth has advantage on saving throws against spells and other magical effects.
Magic Weapons. The mezzoloth's weapon attacks are magical.
Multiattack. The mezzoloth makes two attacks: one with its claws and one with its trident.
Claws. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 9 (2d4 + 4) slashing damage.
Trident. Melee or Ranged Weapon Attack: +7 to hit, reach 5 ft. or range 20/60 ft., one target. Hit: 7 (1d6 + 4) piercing damage, or 8 (1d8 + 4) piercing damage when held with two claws and used to make a melee attack.
Teleport. The mezzoloth magically teleports, along with any equipment it is wearing or carrying, up to 60 feet to an unoccupied space it can see.
Monster Manual (2014), p. 313