Armor Class
15
Cosmic Horror
Gargantuan Aberration · Neutral Evil
Hit Points
280 (16d20 + 112)
Speed
Walk 50 ft., Fly 100 ft.
CR
18
Traits
Legendary Resistance (3/Day)
If the horror fails a saving throw, it can choose to succeed instead.
Unusual Nature
The horror doesn't require air.
Actions
Multiattack
The horror makes one Bite attack and two Tentacle attacks.
Bite
Melee Weapon Attack +14 to hit, reach 10 ft., one target. 22 () Piercing damage.
PiercingTentacle
Melee Weapon Attack +14 to hit, reach 30 ft., one target. 18 () Force damage, and if the target is a creature, it is (escape DC 18). Until this grapple ends, the horror can't use this tentacle against other targets. The horror has tentacles, each of which can grapple one target.
ForcePsychic Whispers Recharge 5
The horror emits dreadful whispers in a 60-foot-radius sphere centered on itself. Each creature in the sphere that isn't an Aberration must make a DC 21 Wisdom saving throw, taking 33 () Psychic damage on a failed save, or half as much damage on a successful one.
PsychicLegendary Actions
Crushing Tentacle
The horror crushes one creature it is grappling. The creature must make a DC 22 Constitution saving throw, taking 18 () Force damage on a failed save, or half as much damage on a successful one.
Poison Jet (Costs 2 Actions)
Foul gas squirts from the horror in a 30-foot line that is 5 feet wide. Each creature in the line must succeed on a DC 21 Constitution saving throw or take 14 () Poison damage.
PoisonTeleport (Costs 2 Actions)
The horror teleports, along with any creatures it is grappling, to an unoccupied space it can see within 120 feet of itself.