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Octabrain

Adversaries Designed by Alan Mehanna • Art by Tara Quinn

Adversary overview

A sentient brain with tentacles that escaped from their pods in a twisted laboratory.

Stat block

Tier
3
Type
Horde
Difficulty
15
HP
7
Stress
4
Attack mod
+1
Damage thresholds
Minor Damage — Mark 1 HP Minor
Mark 1 HP
20
Major Damage — Mark 2 HP Major
Mark 2 HP
30
Severe Damage — Mark 3 HP Severe
Mark 3 HP

Standard attack

Tentacles
Range: Melee
Damage: 3d8+4
Attack Mod: +1
Damage Type: Physical

Features

Passives

  • Horde (1d12+2)

    When the Horde has marked half or more of their Hit Points, their standard attack deals 1d12+2 damage instead.

Actions

  • Hive Mind
    stress 1

    Mark a Stress to force all PCs within Very Close range to make a Presence Reaction Roll. On a failure, they take 3d6+6 magic damage and become Vulnerable.

Reactions

  • Psychic Stab

    When a PC fails an attack against the Octabrain while in Very Close range, they mark a Stress.

Motives & tactics

Overwhelm Restrain Control

Experiences

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Octabrain

Tier 3 horde (4/HP)

A sentient brain with tentacles that escaped from their pods in a twisted laboratory.

Motives & Tactics: Overwhelm, Restrain, Control

Difficulty: 15 | Thresholds: 20 / 30 | HP: 7 | Stress: 4

ATK: +1 | Tentacles: Melee | 3d8+4 Physical

Experience: —

HP:

Stress:

Features

Horde (1d12+2) – Passive: When the Horde has marked half or more of their Hit Points, their standard attack deals 1d12+2 damage instead.

Hive Mind – Action: Mark a Stress to force all PCs within Very Close range to make a Presence Reaction Roll. On a failure, they take 3d6+6 magic damage and become Vulnerable.

Psychic Stab – Reaction: When a PC fails an attack against the Octabrain while in Very Close range, they mark a Stress.

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