Colony Mind
Aberrations allied with the elder brain within 120 feet have Advantage on Intelligence, Wisdom, and Charisma saving throws.
Elder Brain 5e reference with CR 14, type, stat block details, token resources, terrain tools, fear hooks, and monster hunt generation.
An elder brain is the telepathic core of an illithid colony, a vast brine-soaked intellect that dominates minds, directs servants, and rewrites thoughts across miles.
Quick 5e Answer
Elder Brain is a CR 14 aberration for D&D 5e. This page includes AC 18, HP 210 (20d10 + 100), a ready stat block, a downloadable PDF, and connected encounter tools.
Original 5e-Compatible Stat Block
Large, Aberration, Lawful Evil
This is an original Monster Almanac 5e-compatible stat block, not an official SRD stat block.
Aberrations allied with the elder brain within 120 feet have Advantage on Intelligence, Wisdom, and Charisma saving throws.
The elder brain knows the direction of creatures within 120 feet that use telepathy or deal Psychic damage.
Melee Spell Attack: +12, reach 30 ft. Hit: 39 (7d8 + 7) Psychic damage.
Intelligence Saving Throw: creatures of the elder brain choice within 60 feet. Failure: 72 (16d8) Psychic damage and the target is Stunned until the end of its next turn. Success: Half damage.
One allied aberration within 120 feet may move up to half its Speed and make one attack as a Reaction.
When the elder brain takes Psychic damage, it reduces the damage by 20 and one creature of its choice within 60 feet takes 10 Psychic damage.
Base + optional customizer
Base + optional customizer
Base + optional customizer
Base + optional customizer
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Elder Brain 5e reference: CR 14 aberration, AC 18, HP 210 (20d10 + 100), PDF sheet, token, portrait, terrain, fear hooks, and hunt tools for Ruins,β¦ This page is part of the complete Monster Almanac stat block library. It includes a original 5e-compatible stat block with a downloadable PDF sheet, plus connected prep tools. Use this Monster Almanac page to move from search result to table prep: read the quick 5e reference, open the stat block, download the PDF when available, generate a token or portrait prompt, build matching terrain, create a monster-bound fear hook, and turn Elder Brain into a focused hunt.
Elder Brain can be used in Ruins, Mountain, Dungeon, Underdark when you want a CR 14 aberration that helps shape combat pressure, exploration tension, or narrative danger.
Elder Brain is especially strong as a centerpiece threat, boss fight, regional terror, or memorable capstone encounter.
The attached original 5e-compatible stat block gives you a table-ready rules reference, and the PDF button keeps the sheet easy to print or save before the session.
This makes Elder Brain useful not only as a monster reference, but also as a scene-shaping piece for travel danger, dungeon pressure, wilderness discovery, or a stronger narrative threat.
Elder Brain is listed in Monster Almanac as a CR 14 aberration.
Elder Brain is listed as a aberration.
Yes. This page includes a original 5e-compatible stat block and a downloadable PDF sheet.
Yes. This page links to Elder Brain token, portrait, chatbot, terrain, fear hook, and monster hunt tools for fast D&D prep.
After choosing Elder Brain, the next step is usually to connect the monster with a place, an encounter shape, a supporting cast, or a character who fears it. Use the tools below to keep building without leaving the Monster Almanac workflow.