Maw of the Many-Faced Aberration

huge aberration, neutral evil

D&D 5e / SRD 5.1

Challenge 6 (2,300 XP)

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STR
20 (+5)
DEX
12 (+1)
CON
16 (+3)
INT
8 (-1)
WIS
14 (+2)
CHA
10

Defense

Armor Class
14 (natural armor)
Hit Points
127 (15d10 + 45 +3)
Speed
30 ft., swim 30 ft.

Proficiencies & Senses

Saving Throws Strength
Skills
—
Senses
passive Perception 12

Characteristics

Damage Vulnerabilities
—
Damage Resistances
acid, psychic
Damage Immunities
—
Condition Immunities
frightened, paralyzed
Languages Deep Speech (understands only)

Appearance & presence

Monster Description

The Maw of the Many-Faced Aberration is a horrifying testament to biological fusion and arcane corruption, standing as a towering mound of wet, pale flesh that defies natural anatomy. Its most striking feature is its head, which is not a single entity but a grotesque cluster of five distinct faces fused together in a chaotic spiral. Each face possesses different expressions of eternal agony or manic glee, with eyes that roll independently, scanning for prey with unsettling intelligence.

The skin covering these faces is translucent enough to reveal the pulsing veins beneath, shifting color from bruised purple to sickly yellow depending on which face is currently dominant. Below this nightmare crown lies a massive, bloated torso that resembles a swollen sac of muscle and fat. In the center of its belly sits the true horror: a vertical slit that opens into a cavernous maw lined with rows of jagged, inward-curving teeth.

From this abdominal mouth protrude writhing, slick tentacles, each tipped with barbed hooks and dripping with corrosive saliva. When it moves, the creature does not walk so much as lurch, its thick legs dragging through mud and debris with heavy, wet thuds. The sound it emits is a dissonant chorus of five voices speaking in broken Deep Speech, overlapping in a cacophony that induces nausea in listeners. The air around it smells of rotting kelp and old blood.

Its movement is deceptively swift for its size, propelled by powerful muscles hidden beneath layers of flab. Observers often report that the faces seem to whisper secrets about their own fears, making the encounter psychologically draining before physical combat even begins.

Instincts & motives

Monster behavior

This aberration operates on a primal instinct driven by hunger and territorial dominance, lacking any complex social structure or moral compass. It is solitary by nature, though it may tolerate others of its kind only during mating seasons or when feeding grounds are exceptionally abundant. The Maw’s primary motivation is consumption; it seeks to swallow victims whole to absorb their vitality and memories, a process that fuels its regenerative abilities.

When confronted by intruders, it rarely initiates immediate lethal force unless provoked. Instead, it employs psychological warfare, using its multiple faces to project different emotional states—feigning sorrow with one face while snarling with another—to confuse and paralyze foes with fear or hesitation. It prefers ambush tactics, hiding in murky waters or dark caverns until prey is within reach of its tentacles. If outnumbered or facing powerful adversaries, it will attempt to flee, dragging itself into deeper water or tighter spaces where its bulk becomes an advantage.

However, once engaged, it fights with brutal efficiency, prioritizing smaller creatures to secure easy meals. It shows no mercy to wounded enemies, viewing them as weakened livestock rather than threats. Its reaction to magic is particularly hostile, as it perceives spellcasters as direct competitors for control over reality, leading it to focus attacks on those who display arcane prowess.

Habitat & life cycle

Ecology

Native to coastal marshlands, sunken ruins, and subterranean lakes tainted by Far Realm energy, the Maw thrives in environments rich in organic decay and magical residue. It is an apex predator in these niche ecosystems, feeding primarily on fish, amphibians, and unwary travelers. Its diet is supplemented by absorbing ambient psychic energy, which explains its resistance to psychic damage. The life cycle of this aberration is mysterious; they do not reproduce sexually in traditional ways but instead spawn via spontaneous generation from pools of concentrated aberrational essence left behind by dead kin.

Young Maws start small, with only two faces, growing additional ones as they consume more souls. They play a crucial role in cleaning up carrion and preventing the spread of disease in stagnant waters, despite being carriers of various parasites themselves. Their tentacles host symbiotic bacteria that aid in digestion, producing the acidic secretions that allow them to dissolve bone and metal. Predators of the Maw are rare, limited to larger dragons or ancient sea leviathans, but they are often hunted by adventuring parties seeking bounties for clearing haunted areas. Their presence usually indicates a breach between planes, serving as a warning sign to druids and rangers of impending dimensional instability.

Origins & legends

History

Legends among coastal fishermen speak of the 'Chorus of Drowning Men,' a phenomenon where sailors hear multiple voices calling their names from beneath the waves before vanishing forever. Scholars believe the first Maw was created centuries ago when a cult dedicated to a forgotten deity attempted to fuse human sacrifices into a vessel for divine power. The ritual failed catastrophically, merging the minds and bodies of dozens of victims into a single, insane entity.

This original abomination bred quickly, spreading through underground aquifers and emerging in remote villages to feed on livestock and children. One notable incident occurred in the town of Saltmire, where a Maw swallowed the entire council chamber during a storm, leaving only bloodstained robes behind. Adventurers have since been hired to hunt these creatures, recovering strange artifacts from their bellies, including rings belonging to missing nobles. Local myths claim that if you listen closely to the whispers of a dying Maw, you can learn the location of hidden treasures, though many go mad attempting to decipher the contradictory voices. Recent reports suggest that new Maws are appearing inland, far from any coast, indicating that the source of their creation is still active and perhaps evolving.

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