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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
105
Source areas
8
Connected nodes
113
Extracted relationships
171
Related term clusters
16
Bridge connections
113

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 · 3 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

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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

For the semantics nerds

You can skip this section if you’re here for content ideas and keyword inspiration.

Advanced semantic analysis

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, Kingdom Another extracted example is Illithid → Advanced Dungeons, CBR, Christian Hoffer, ComicBook, Creswell, Darkness, Dragons, Dungeon, Edition, Hoffer, Jacob Creswell, Lyssa, Mind Flayer, One, Originally, Ravenloft, Strahd, Thoughts, Vampiric Mind Flayers, Van Richten's Guide. Use these groups to spot repeated connection types before inspecting the individual relationships.

Illithid

Top relations

related to In other media · 42
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, Kingdom
related to Vampiric illithids · 21
Illithid → Advanced Dungeons, CBR, Christian Hoffer, ComicBook, Creswell, Darkness, Dragons, Dungeon, Edition, Hoffer, Jacob Creswell, Lyssa, Mind Flayer, One, Originally, Ravenloft, Strahd, Thoughts, Vampiric Mind Flayers, Van Richten's Guide
related to Dungeons & Dragons 5th edition (2014–present) · 17
Illithid → Additional, Alhoon, Baldur's Gate, Chris Perkins, Christian Hoffer, ComicBook, Edition, Hydro74, Mindwitness, Monster Manual, Monsters, Neothelid, Phandelver, The Shattered Obelisk, Ulitharid, Volo's Guide, What's
related to Critical reception · 16
Illithid → Academic Philip, Backstab, Cienna Madrid, Clements, D's, David, Dragons For Dummies, Dungeon Master, Dungeons, Ewalt, Games, Mind Flayer, Philippe Tessier, Reviewer Julien Blondel, The Stranger, Witwer
related to Alhoon · 13
Illithid → Alhoons, Book One, Elder Brain, Faerûn, Forgotten Realms, Lords, Madness, Menzoberranzan, Monsters, Monstrous Compendium Annual Volume, The City, The Illithiad, Three
related to history · 9
Illithid → Civil, Edition, Facing, Gith, Lords, Madness, Pirates, Spelljammer, Zerthimon
related to In Ravenloft · 9
Illithid → Bluetspur, Dark Powers, Edition, God-Brain, Horrified, Illithids, Polygon, Ravenloft, Van Richten's Guide
related to Religion · 8
Illithid → Although Ilsensine, Dead Gods, Ilsensine, Maanzecorian, Orcus, Planescape, Tenebrous, Traditionally
related to In Spelljammer · 6
Illithid → According, Adventures, Ken Rolston, Michael Witwer, Space, Spelljammer
related to Biology · 5
Illithid → Elder Brain, Hosts, Illithids, Larvae, 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 manual game powers setting

Illithid relationships Subject–Predicate–Object triples

TTTA extracted 171 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 ActivitiesIllithids0.60section
Illithidrelated to AlhoonAlhoons0.60section
Illithidrelated to AlhoonElder Brain0.60section
Illithidrelated to AlhoonForgotten Realms0.60section
Illithidrelated to AlhoonMenzoberranzan0.60section

Related concept clusters Related term clusters

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
  • 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
  • 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
  • lords of madness: the book of aberrations
    • Madness
    • Book
    • Lords
    • One
    • Flayer
    • Also
    • Vampiric
    • Ravenloft
    • Known
    • Module
    • Mind
    • Setting

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 88 ⟂ 26
Illithid — Publication history · splits 89 ⟂ 25
Illithid — Fictional physical characteristics · splits 95 ⟂ 19
Illithid — Variants · splits 101 ⟂ 13
Illithid — Overview · splits 105 ⟂ 9
Illithid — In various campaign settings · splits 105 ⟂ 9
Illithid — Critical reception · splits 106 ⟂ 8
Illithid — Fictional history · splits 110 ⟂ 4

Map overview Semantic statistics

Illithid

Nodes114
Edges113
Triples171
Avg. degree1.98
Density0.017544
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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