20 (plate armor, shield)
60 (8d8+24)
walk 30 ft., fly 30 ft.
Perception +4
bludgeoning, piercing, slashing from nonmagical attacks that aren't adamantine
force, necrotic, poison
blinded, charmed, deafened, frightened, paralyzed, petrified, poisoned, stunned
blindsight 60 ft. (blind beyond this radius)
understands the languages of its creator but can't speak
4
The Halaster horror has advantage on saving throws against spells and other magical effects.
The Halaster horror is immune to the cone of cold, disintegrate, and fireball spells.
The Halaster horror makes two longsword attacks.
Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 8 (1d8 + 4) slashing damage, or 9 (1d10 + 4) slashing damage if used with two hands.