Wrackspawn

Armor Class 13

Hit Points 120 (16d8 + 48)

Speed 25 ft.

Initiative +0

Damage Resistances cold, fire, lightning

Damage Immunities poison

Condition Immunities blinded, poisoned

Senses blindsight 60 ft., passive Perception 8

Languages understands Abyssal but can't speak

Challenge 3 (700 XP)

Source Monster a Day

Bonespear. Melee or Ranged Weapon Attack: +5 to hit, reach 5 ft. or range 20/60 ft., one target. Hit: 7 (1d8 + 3) piercing damage, and the target must succeed on a DC 13 Constitution saving throw or take 10 (3d6) necrotic damage and become poisoned until the end of its next turn as it becomes wracked with pain.

Claw. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 5 (1d4 + 3) slashing damage.