A writhing mass of hundreds of rubbery, blue-grey tentacles rises from a human‐sized pair of legs ending in elephantine feet. Each tentacle ends in an eerily human looking mouth.

Damned Pipers. Vangsluagh create a din everywhere they go; the mouths on their tentacles perpetually scream, whistle, bleat, growl, and cry. Even in instances where a vangsluagh may want a quiet entrance or stealthy ambush, their own bodies betray them. Stories have emerged from the wastes, however, of vangsluagh that are capable of silencing the noise surrounding them.

Defilers of Beauty. Vangsluagh despise pretty things, be they creature, object, or structure. Given the opportunity, a vangsluagh prefers spending its time smashing beautiful things to bits. The absence of beauty doesn’t necessarily calm these creatures however; they target living creatures as a priority in these occurrences.


Medium aberration, chaotic evil
Armor Class 13
Hit Points 110 (13d8 + 52)
Speed 30 ft.
12 (+1) 17 (+3) 18 (+4) 10 (+0) 10 (+0) 16 (+3)

Damage Immunities thunder
Condition Immunities deafened
Senses darkvision 60 ft., passive Perception 10
Languages Void Speech
Challenge 3 (700 XP)

Cacophony. The vangsluagh constantly emits a din of bleats, trills, and trumpets. A creature that casts a spell while it is within 30 feet of the vangsluagh must make a DC 13 Intelligence, Wisdom, or Charisma saving throw. (The type of saving throw required is dependent on the spellcasting creature’s spellcasting ability score.) On a failed save, the spell is not cast, and the spell slot used is not expended. Additionally, a creature within 30 feet of the vangsluagh that is maintaining concentration on a spell must make a DC 13 Constitution saving throw. Failing the saving throw prevents the creature from maintaining concentration.

Constant Racket. The vangsluagh has disadvantage on Dexterity (Stealth) checks.


Multiattack. The vangsluagh makes two tentacle lash attacks.

Tentacle Lash. Melee Weapon Attack: +5 to hit, reach 10 ft., one target. Hit: 12 (2d8 + 3) bludgeoning damage.

Sonic Bullet. Ranged Magic Attack: +5 to hit, range 120 ft., one target. Hit: 17 (4d6 + 3) thundering damage, and the target must make a DC 13 Constitution saving throw or be deafened until the beginning of the vangsluagh’s next turn.

Agonizing Trill (Recharge After a Short or Long Rest). The vangsluagh increases the pitch of its cacophony to deadly levels. All creatures within 30 feet of the vangsluagh take 35 (10d6) points of thundering damage and are stunned for 1 minute. A creature that makes a DC 13 Constitution saving throw halves the amount of thundering damage it takes and negates the stunned condition. A stunned creature can repeat the saving throw at the end of each of its turns and negates the condition on a success.

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