Builder’s Gate

Updated 2026-09-27

한국어

Monster Codex

StandardMind Flayer · Act unconfirmed

The Emperor

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Hit points · HP
140
Armour class · AC
18
Level
12
Difficulty
Strength
12+1
Dexterity
14+2
Constitution
15+2
Intelligence
21+5
Wisdom
17+3
Charisma
19+4

Attacks and skills 16

Chain Lightning
Level 6 spell
Strike an enemy with lightning. Three more bolts will leap from the target, electrifying as many as three other enemies within 18m.
18m Dexterity saving throw
Action
Possible damage typesLightning
Levitate
Float effortlessly to a destination.
18m
Movement Speed 4
Mind Flayer Domination
Level 4 spell
Dominate a nearby humanoid. Allies are unaffected.
18m Intelligence saving throw
Action concentration
Evard's Black Tentacles
Level 4 spell
Tentacles sprout from the ground, turning the area into Difficult Terrain, attacking and Smothering creatures within.
18m
Action concentration
Counterspell
Level 3 spell
Try to stop a spell being cast.
18m
Action
Sleep
Level 1 spell
Put creatures into a magical slumber. Select targets up to a combined 64.
18m
Action
Slow
Level 3 spell
Target up to 6 creatures and Slow them. Movement and actions are affected, and their AC and Dexterity saves are reduced by 2.
18m Wisdom saving throw
Action concentration
Extract Brain
Try to extract the brain of a Stunned or Unconscious creature.
1.5m
Action
Possible damage typesPiercing
Potent Concentrated Blast
Blast a creature with sapping psychic energy. If the target was concentrating on a spell, you heal equal to the damage dealt.
9m
Action
Possible damage typesPsychic
Main Hand Attack
Make a melee attack with your equipped weapon.
Action
Shield of Thralls
Conjure a volatile shield around yourself or an ally, granting the target 10.
9m
Action
Tentacle Whip
Lash out with your tentacles and possibly Stun your target.
1.5m
Action
Possible damage typesPsychic
Topple
Swipe at a creature to knock it Prone.
Action
Possible damage typesBludgeoning
Telekinesis
Level 5 spell
Throw a creature or object up to 18m with a thought. Once per turn, you can use Telekinesis again without expending a spell slot.
18m
Action concentration
Possible damage typesBludgeoning
Mind Blast
Spew forth a conical wave of psychic energy and possibly Stun targets within.
Intelligence saving throw
Action
Possible damage typesPsychic
Mind Blast
Spew forth a conical wave of psychic energy and possibly Stun targets within.
Intelligence saving throw
Action
Possible damage typesPsychic

Traits 5

Opportunity Attack

Automatically attack an enemy moving out of your reach.

Arcane Enchantment

You gain a +1 bonus to Spell Save DC and spell attack rolls.

Imperial Retaliation

When the wielder succeeds a Saving Throw, the foe that caused the throw needs to make an Intelligence Saving Throw or be Stunned for 1 turn.

Magic Resistance

Has Advantage on Saving Throws against spells and other magical effects.

Darkness Rules

No game description available.

Initial conditions and difficulty effects 1

Astral Gravity

Gravity on the Astral Plane is different than on Faerûn.

The affected entity is Immune to Falling damage and its Jump distance is tripled.
Statistics and references

Parentheses show changes from Balanced. HP applies initial and difficulty effects to the game base value; combat scripts and conditional effects can change it.