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Illithid: Characters, History & Measurement

In the Dungeons & Dragons fantasy role-playing game, illithids (commonly known as mind flayers) are monstrous humanoid aberrations with psionic powers. In a typical Dungeons & Dragons campaign setting, they live in the moist caverns and cities of the enormous Underdark.

Language: English [EN]
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Illithid topic overview

The analysis highlights Characters, History and Measurement as prominent areas in the source structure around Illithid.

Related topics
106
Source areas
8
Connected nodes
114
Extracted relationships
239
Concept neighborhoods
16
Bridge connections
114

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

In other media · 25 topics
Publication history · 24 topics
Fictional physical characteristics · 18 topics
Variants · 12 topics
In various campaign settings · 8 topics
Overview · 8 topics
Critical reception · 7 topics
Fictional history · 4 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Alignment
Almost always Lawful Evil
First appearance
"The Strategic Review #1 (Spring 1975)" · Eldritch Wizardry (1976)
Last appearance
Phandelver and Below: The Shattered Obelisk (2023)
Other name
Mind flayer
Type
Aberration

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Publication history

Fictional physical characteristics

Variants

Fictional history

In various campaign settings

Critical reception

In other media

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Illithid connects Entity context

The extracted context around Illithid shows recurring relationship patterns in the source. For example, Illithid → Although, Angband, Baldur's Gate, Baldur's Gate II, Beholder, Bloodborne, Brain Slayer, Brazier, Dark Alliance II, Demon's Souls, Elan, Elan's, Episode, Eternal Flame, Evil Eye, Fighting Fantasy, Final Fantasy, Hordes, Icewind Dale II, In Another extracted example is Illithid → Armed To, Bellevue, Bruce, Cagle, Chris, Christopher, Coast, Cordell, Dragon, Dungeon, Eric, Exiles, Expanded Psionics Handbook, Fiend Folio, James, Knights, Lich-Queen, Paizo Publishing, Penny, Pramas. Use these groups to spot repeated connection types before inspecting the individual relationships.

Illithid

Top relations

related to In other media · 46
Illithid → Although, Angband, Baldur's Gate, Baldur's Gate II, Beholder, Bloodborne, Brain Slayer, Brazier, Dark Alliance II, Demon's Souls, Elan, Elan's, Episode, Eternal Flame, Evil Eye, Fighting Fantasy, Final Fantasy, Hordes, Icewind Dale II, In
related to Further reading · 31
Illithid → Armed To, Bellevue, Bruce, Cagle, Chris, Christopher, Coast, Cordell, Dragon, Dungeon, Eric, Exiles, Expanded Psionics Handbook, Fiend Folio, James, Knights, Lich-Queen, Paizo Publishing, Penny, Pramas
related to Vampiric illithids · 26
Illithid → Advanced Dungeons, All, CBR, Christian Hoffer, ComicBook, Creswell, Darkness, Dragons, Dungeon, Edition, Hoffer, Jacob Creswell, Lyssa, Mind Flayer, Not, One, Originally, Ravenloft, Strahd, The
related to Dungeons & Dragons 5th edition (2014–present) · 20
Illithid → Additional, Alhoon, Baldur's Gate, Below, Chris Perkins, Christian Hoffer, ComicBook, Edition, Hydro74, Mindwitness, Monster Manual, Monsters, Neothelid, On, Phandelver, The, The Shattered Obelisk, Ulitharid, Volo's Guide, What's
related to Critical reception · 19
Illithid → Academic Philip, Backstab, Cienna Madrid, Clements, D's, David, Dragons For Dummies, Dungeon Master, Dungeons, Ewalt, Games, He, Mind Flayer, Philippe Tessier, Reviewer Julien Blondel, The, The Stranger, They, Witwer
related to Alhoon · 16
Illithid → AD, Alhoons, Book One, Elder Brain, Faerûn, Forgotten Realms, Lords, Madness, Menzoberranzan, Monsters, Monstrous Compendium Annual Volume, The, The City, The Illithiad, Three, When
related to In Ravenloft · 12
Illithid → Bluetspur, Dark Powers, Edition, From, God-Brain, Horrified, Illithids, In, Or, Polygon, Ravenloft, Van Richten's Guide
related to history · 10
Illithid → Civil, Edition, Facing, Gith, Lords, Madness, Pirates, Spelljammer, The, Zerthimon
related to Religion · 9
Illithid → Although Ilsensine, Dead Gods, Ilsensine, In, Maanzecorian, Orcus, Planescape, Tenebrous, Traditionally
related to Biology · 7
Illithid → Elder Brain, Hosts, Illithids, Larvae, The, This, Upon

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

mind illithids flayers flayer brain edition one creatures monster psionic campaign dragons elder dungeons also monsters first manual game powers

Illithid relationships Subject–Predicate–Object triples

TTTA extracted 239 structured relationships around Illithid. Examples in this analysis include Illithid → Alignment → Almost always Lawful Evil and Illithid → First appearance → "The Strategic Review #1 (Spring 1975)". The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
IllithidAlignmentAlmost always Lawful Evil1.00infobox
IllithidFirst appearance"The Strategic Review #1 (Spring 1975)"1.00infobox
IllithidFirst appearanceEldritch Wizardry (1976)1.00infobox
IllithidLast appearancePhandelver and Below: The Shattered Obelisk (2023)1.00infobox
IllithidOther nameMind flayer1.00infobox
IllithidTypeAberration1.00infobox
Illithidrelated to ActivitiesCurrently0.60section
Illithidrelated to ActivitiesThey0.60section
Illithidrelated to ActivitiesIllithids0.60section
Illithidrelated to AlhoonAlhoons0.60section
Illithidrelated to AlhoonElder Brain0.60section
Illithidrelated to AlhoonWhen0.60section

Related concept clusters Concept neighborhoods

The concept neighborhoods around Illithid bring nearby vocabulary together. In this analysis, examples include Brain, Elder and Powerful. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • dungeons & dragons
    • Dungeons
    • Vampiric
    • 5th
    • Known
    • Illithids
    • Monsters
    • Psionic
    • Campaign
    • Creatures
    • Monster
    • Flayers
    • 5e
  • campaign setting
    • Campaign
    • Setting
    • Ravenloft
    • 5th
    • Edition
    • 5e
    • Dragons
    • Dungeons
    • Alhoon
    • Book
    • Called
    • Vampiric
  • first game
    • Book
    • One
    • Appears
    • Flayers
    • Manual
    • Mind
    • Flayer
    • Known
    • Illithids
    • Called
    • Powers
    • Lords
  • in various campaign settings
    • Setting
    • Ravenloft
    • 5th
    • Edition
    • 5e
    • Dragons
    • Dungeons
    • Vampiric
    • Alhoon
    • Illithids
    • Lords
    • Madness
  • Illithid
    • Brain
    • Elder
    • Powerful
    • Mind
    • One
    • Dragon
    • Lords
    • Madness
    • New
    • Creature
    • Monsters
    • Psionic
  • illithid
    • Brain
    • Elder
    • Powerful
    • Mind
    • One
    • Dragon
    • Lords
    • Madness
    • New
    • Creature
    • Monsters
    • Psionic
  • brain
    • Elder
    • Illithid
    • Creature
    • Powerful
    • Monster
    • Edition
    • Ravenloft
    • Dragon
    • Dragons
    • Dungeons
    • Called
    • Powers
  • lords of madness: the book of aberrations
    • Madness
    • First
    • Book
    • Lords
    • One
    • Flayer
    • Also
    • Vampiric
    • Ravenloft
    • Known
    • Module
    • Mind

Connections between topic areas Semantic bridges

For Illithid, one of the stronger structural bridges in this analysis connects Illithid with In other media. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Illithid — In other media · splits 89 ⟂ 26
Illithid — Publication history · splits 90 ⟂ 25
Illithid — Fictional physical characteristics · splits 96 ⟂ 19
Illithid — Variants · splits 102 ⟂ 13
Illithid — Overview · splits 106 ⟂ 9
Illithid — In various campaign settings · splits 106 ⟂ 9
Illithid — Critical reception · splits 107 ⟂ 8
Illithid — Fictional history · splits 110 ⟂ 5

Map overview Semantic statistics

Illithid

Nodes115
Edges114
Triples239
Avg. degree1.98
Density0.017391
Components1

Source & methodology

TTTA analyzes the structure around Illithid to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Characters, History & Measurement, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Illithid · EN edition · Analysis: TopicsToTalkAbout

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