Halaster Horror

Medium Construct, Unaligned

Armor Class 20 (plate armor, shield)

Hit Points 60 (8d8 + 24)

Speed 30 ft., fly 30 ft.

STR

DEX

CON

INT

WIS

CHA

Skills Perception +4

Damage Resistances bludgeoning, piercing, slashing, from nonmagical attacks that aren't adamantine

Damage Immunities force, necrotic, poison

Condition Immunities Blinded, Charmed, Deafened, Frightened, Paralyzed, Petrified, Poisoned, Stunned

Senses blindsight 60 ft. (blind beyond this radius), passive Perception 14

Languages understands the languages of its creator but can't speak

Challenge 4 (1,100 XP)

Magic Resistance. The Halaster horror has advantage on saving throws against spells and other magical effects.

Spell Immunity. The Halaster horror is immune to the cone of cold, disintegrate, and fireball spells.

Multiattack. The Halaster horror makes two staff attacks.

Staff. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit:8 (1d8 + 4) bludgeoning damage.