The Nameless (Elder Horror)

Gargantuan aberration, chaotic evil

The Nameless is not a creature. It is an *event*. It is what happens when the Void Beyond achieves sufficient density and coherence in the material world to manifest as a single, terrible entity. The Nameless is the Void's answer to life --- a being of dissolution, entropy, and the negation of meaning. It does not simply kill. It *erases*. Creatures consumed by the Nameless do not die --- they cease to have existed. Memories of them fade. Records of their lives become illegible. The universe forgets them.

Armor Class:20 (natural armor)
Hit Points:350 (20d20 + 140)
Speed:30 ft, fly 60 ft (hover), burrow 30 ft
Challenge:CR 20
STR
28 (+9)
DEX
14 (+2)
CON
24 (+7)
INT
22 (+6)
WIS
20 (+5)
CHA
24 (+7)
Saving Throws:CON +14, INT +13, WIS +12, CHA +14
Skills:Perception +12, Arcana +13
Damage Resistances:Cold, fire, lightning
Damage Immunities:Necrotic, poison, psychic; bludgeoning, piercing, and slashing from nonmagical attacks
Condition Immunities:Charmed, exhaustion, frightened, paralyzed, petrified, poisoned
Senses:Truesight 120 ft, passive Perception 22

Actions

Multiattack. The Nameless makes three Void Tendril attacks.
Void Tendril. Melee: +16 to hit, reach 20 ft. Hit: 22 (3d8 + 9) bludgeoning damage plus 14 (4d6) psychic damage. The target must make a DC 22 WIS save or be stunned until the end of its next turn.
Annihilation Gaze (Recharge 5-6). The Nameless focuses its gaze on a 90-foot line, 10 feet wide. Each creature in the area must make a DC 22 DEX save, taking 72 (16d8) force damage on a failure, or half on a success. Nonmagical objects in the area are disintegrated.
Psychic Scream (Recharge 6). Each creature within 60 feet must make a DC 22 INT save, taking 55 (10d10) psychic damage on a failure, or half on a success. On a failure, the creature is also stunned for 1 minute (save at end of each turn to end). Creatures reduced to 0 HP by this damage die instantly --- their heads explode.
Detect. Makes a Perception check.
Tendril. Makes one Void Tendril attack.
Dark Whisper (Costs 2). One creature within 60 feet must make a DC 22 WIS save. On a failure, it must use its reaction to move up to its speed toward the Nameless or make one attack against its nearest ally (Nameless's choice).
Unmaking (Costs 3). The Nameless targets one creature it can see within 120 feet. The target must make a DC 22 CHA save. On a failure, the target takes 28 (8d6) necrotic damage and its maximum HP is reduced by the same amount. On a success, half damage and no HP maximum reduction.