Large Undead, Chaotic Evil
AC 18 (Natural armor)    Initiative +8 (18)
HP 186 (22d10 + 66)
Speed 60 ft.
Mod Save
STR 8 -1 -1
DEX 26 +8 +8
CON 16 +3 +3
Mod Save
INT 15 +2 +2
WIS 12 +1 +1
CHA 20 +5 +5
Skills Arcana +10, Perception +10, Stealth +18
Resistances Cold, Fire, Lightning, Thunder; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Silvered
Immunities Acid, Necrotic, Poison; Charmed, Exhaustion, Grappled, Paralyzed, Petrified, Poisoned, Prone, Restrained
Senses Darkvision 60 ft., Passive Perception 20
Languages Aquan, Common
CR 14 (XP 11,500; PB +5)
Traits

Acidic Body. Any creature that strikes an acidwraith with a melee attack takes 2d6 points of acid damage.

Corrupting Aura. All water within 10 feet of an acidwraith is quickly converted into acid. In a large body of water, this merely surrounds the acidwraith with diluted acid that inflicts 4 (1d6) acid damage to any creature that moves into, or starts it's turn within the area. Creatures made up of water who are within 10 feet of an acidwraith take 21 (6d6) acid damage per round as their bodies are eaten away. Magical water (and non-water liquid such as blood and poitions) is not affected by an acidwraith's corrupting aura.

Regeneration. An acidwraith regenerates 15 hit points at the start of its turn.

Liquid Dependency. An acidwraith must remain in contact with a body of liquid at least as large as its space. Each round it is not in contact with liquid, it suffers 2d6 points of damage. An acidwraith loses its Regeneration ability when not in contact with a body of liquid.

Actions

Multiattack. The acidwraith can make one Bite attack and four tendril attacks. 

Bite. Melee Weapon Attack: +13 to hit, reach 10 ft., one target. Hit: 21 (4d6 + 7) piercing damage, plus 7 (2d6) acid damage. 

Tendrils. Melee Weapon Attack: +13 to hit, reach 10 ft., one target. Hit: 7 (2d6) acid damage. 

Breath Weapon (Recharge 5-6). An acidwraith can exhale a 30-foot-long cone of burning, noxious vapor. Creatures in the area of effect must make a DC 22 Dexterity saving throw, suffering 42 (12d6) acid damage on a failed saving throw, or half damage on a success. Affected creatures must also make a DC 18 Constitution saving throw or suffer 1d4 Strength damage. One minute later, creatures who failed the initial Constitution saving throw must repeat another DC 18 Constitution saving throw or suffer an additional 2d4 Strength damage. 

Description

The foul, toxic liquid bubbles and surges to noxious life, sliding up onto itself and quickly filling out into the form of a lumbering, draconic beast. The thing’s body is semi-translucent and gelatinous, and streamers of acid drip from its flanks to sizzle on the ground—some of these strands writhe and crack like whips. Its long neck ends in a disturbing tangle of skulls, some human, some draconic, and some something in between.

The acidwraith, at this point in time, is a unique undead creature. This creature manifested when the soul of a marid genie merged with a specific combination of acids and magical alchemical fluids associated with dragons are mixed together. In many ways, the genie’s ghost has possessed this dangerous combination of chemicals, yet it is not technically a ghost. The creature’s head is the only really solid part of its body, a collection of skulls that shift between the draconic and the humanoid. These skulls are real bone manifested by the acidwraith’s presence; they constantly reform and rebuild as the thing’s acidic body eats them away.


The acidwraith itself is incorporeal, yet much of its body consists of acidic, poisonous fluid. Close inspection reveals that the fluid constantly runs out of its body only to be reabsorbed from surrounding liquid. An acidwraith deprived of a constant source of liquid quickly grows powerless.


Like all incorporeal creatures, an acidwraith can pass through solid objects. When it does so, its bony skulls and acidic body slough to the floor. As soon as the acidwraith emerges, its acidic body and skulls reform, as long as the creature is in a watery area. 

The acidwraith is quite intelligent, and its skill at alchemy is prodigious. Given resources and time, this creature could easily create many more similar manifestations of undead elementals bonded with the acidic leavings of black dragons.


An acidwraith is the size of a large horse. Its liquid body weighs about 1,500 pounds.

Previous Versions

Name Date Modified Views Adds Version Actions
8/1/2025 8:19:36 PM
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Habitat: Swamp

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