Unspeakable Horror
Huge Monstrosity, Chaotic EvilAC 13
HP 126 (12d12 + 48)
Speed 40 ft.
STR
21 (+5)
Save +5
DEX
13 (+1)
Save +1
CON
19 (+4)
Save +7
INT
3 (-4)
Save -4
WIS
14 (+2)
Save +5
CHA
17 (+3)
Save +3
Saving Throws CON +7, WIS +5
Resistances Acid; Cold; Necrotic; Poison
Condition Immunities Frightened, Grappled, Prone, Restrained
Senses Truesight 60 ft., Passive Perception 12
CR 8
Traits
Incomprehensible Form. Attack rolls against the horror have Disadvantage. This trait is suppressed while the horror has the Incapacitated condition.
Regeneration. The horror regains 10 Hit Points at the start of each of its turns if it has at least 1 Hit Point.
Terrifying Aura. The horror radiates an aura in a 15-foot Emanation while it doesn't have the Incapacitated condition. wis 15, any enemy that starts its turn in the aura. Failure: The target has the Frightened condition until the start of its next turn. While Frightened in this way, the target has the Paralyzed condition. Success: The target is immune to this horror's aura for 24 hours.
Actions
Multiattack. The horror makes three Phantasmic Assault attacks.
Phantasmic Assault. Melee or Ranged Attack Roll: +8, reach 5 ft. or range 60 ft. Hit: 14 (4d6) Cold, Necrotic, Poison, or Psychic damage (horror's choice).
Reactions
Warp Mind. Trigger: A creature the horror can see within 120 feet of itself takes the Study action or makes a Constitution saving throw to maintain Concentration. dwis 15, the triggering creature. Failure: 7 (2d6) Psychic damage, and the target has the Stunned condition until the end of its next turn.