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Intellect Devourer

Adversaries Designed by Conor Hoffman

Adversary overview

A skittering, brain-like predator with clawed limbs and glistening neural folds, the Intellect Devourer exists to hunt consciousness itself. It does not kill its prey outright. It hollows them. It ste

Intellect Devourers are not frontline combatants. They are psychic assassins deployed ahead of Illithid forces to weaken resistance and harvest identity.

They prefer wounded, isolated, or distracted targets.

They attack quickly, disable prey psychologically, and retreat if threatened.

Use them in groups of 3–6 to create pressure and horror.

They work best alongside:

• Psionic Harvesters
• Mind Flayers
• Illithid-controlled humanoids

Intellect Devourers soften targets by suppressing Experiences, making them easier prey for Illithid domination.

They excel in:

• Ambush encounters
• Horror sequences
• Battlefield chaos
• Civilian massacres
• Stealth infiltration scenes

Stat block

Tier
1
Type
Minion
Difficulty
11
HP
1
Stress
3
Attack mod
+1
Damage thresholds
Minor Damage — Mark 1 HP Minor
Mark 1 HP
1
Major Damage — Mark 2 HP Major
Mark 2 HP
1
Severe Damage — Mark 3 HP Severe
Mark 3 HP

Standard attack

Psychic Claws
Range: Melee
Damage: 1d8+1
Attack Mod: +1
Damage Type: Magical

Features

Passives

  • Soulless Predator

    The Intellect Devourer cannot be reasoned with, frightened, or emotionally influenced.

    It automatically succeeds on Presence-based rolls.

Actions

  • Memory Consumption
    fear 1

    Spend a Fear to attack a target within Close range.

    On a success:

    • Target takes 2d8 magical psychic damage
    • Target must roll with Hope
    • On failure, one Experience is suppressed until their next Long Rest

    The GM may instead temporarily remove a specific memory, emotional anchor, or learned skill.

    If a target has no remaining Experiences, they become Vulnerable.

Reactions

  • Thought Skitter
    stress 1

    When targeted by an attack, mark 1 Stress to instantly move to any point within Close range.

    This movement does not provoke reactions.

Motives & tactics

—

Experiences

  • Mind Hunter +2
  • Predator of Weak Minds +2

Intellect Devourer

Tier 1 minion

A skittering, brain-like predator with clawed limbs and glistening neural folds, the Intellect Devourer exists to hunt consciousness itself. It does not kill its prey outright. It hollows them. It ste

Motives & Tactics: —

Difficulty: 11 | Thresholds: 1/1 | HP: 1 | Stress: 3

ATK: +1 | Psychic Claws: Melee | 1d8+1 Magical

Experience: Mind Hunter +2, Predator of Weak Minds +2

HP:

STRESS:

Features

Memory Consumption - Action: Spend a Fear to attack a target within Close range. On a success: • Target takes 2d8 magical psychic damage • Target must roll with Hope • On failure, one Experience is suppressed until their next Long Rest The GM may instead temporarily remove a specific memory, emotional anchor, or learned skill. If a target has no remaining Experiences, they become Vulnerable.
Thought Skitter - Reaction: When targeted by an attack, mark 1 Stress to instantly move to any point within Close range. This movement does not provoke reactions.
Soulless Predator - Passive: The Intellect Devourer cannot be reasoned with, frightened, or emotionally influenced. It automatically succeeds on Presence-based rolls.

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