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Mind Flayer (Illithid) in Dungeons & Dragons 5e

Mind Flayer (Illithid)

Medium aberration, lawful evil
Armor Class 15 (Breastplate)
Hit Points 71 (13D8+13)
Speed 30ft

STR
11 0
DEX
12 +1
CON
12 +1
INT
19 +4
WIS
17 +3
CHA
17 +3

Saving Throws Intelligence +7, Wisdom +6, and Charisma +6.
Skills Arcana +7, Deception +6, Insight +6, Perception +6, Persuasion +6, and Stealth +4.
Senses Darkvision 120ft, and Passive Perception 16.
Languages Deep Speech, Undercommon & Telepathy 120ft.
Challenge 7 (2,900XP)

Variant: Mind Flayer Arcanist

A few mind flayers supplement their Psionic Power with Arcane Spells. However, they are regarded as deviants by their illithid peers and usually shunned. A mind flayer Arcanist has a Challenge Rating of 8 (3,900XP) and the following Trait.  

Spellcasting

The mind flayer is a 10th-Level Spellcaster. Its spellcasting ability is Intelligence (Spell Save DC 15, +7 To Hit with Spell Attacks). The mind flayer has the following Wizard spells prepared.  

Cantrips (At Will)

  • Blade Ward,
  • Dancing Lights,
  • Mage Hand, and
  • Shocking Grasp.
 

1st Level (4 Slots)

  • Detect Magic,
  • Disguise Self,
  • Shield, and
  • Sleep.
   

2nd Level (3 Slots)

  • Blur,
  • Invisibility, and
  • Ray of Enfeeblement.
   

3rd Level (3 Slots)

  • Clairvoyance,
  • Lightning Bolt, and
  • Sending.
   

4th Level (3 Slots)

  • Confusion, and
  • Hallucinatory Terrain.
   

5th Level (2 Slots)

  • Telekinesis, and
  • Wall of Force.

At will:

Innate Spellcasting (Psionics)

The mind flayer's innate Spellcasting Ability is Intelligence (Spell Save DC 15). It can innately cast the following Spells, requiring no components.  

At Will

  • Detect Thoughts, and
  • Levitate.
 

1/day:

1/Day Each

  • Dominate Monster and
  • Plane Shift (Self Only).
 


Magic Resistance

The mind flayer has Advantage on Saving Throws against Spells and other Magical Effects.


Actions

Tentacles

Melee Weapon Attack: +7 To Hit, Reach 5ft, One Creature. Hit: 15 (2D10+4) Psychic Damage. If the target is Medium or Smaller, it is Grappled (Escape DC 15) and must succeed on a DC 15 Intelligence Saving Throw or be Stunned until this Grapple ends.  

Extract Brain

Melee Weapon Attack: +7 To Hit, Reach 5ft, One Incapacitated humanoid Grappled by the mind flayer. Hit: 55 (10D10) Piercing Damage. If this Damage reduces the target to 0 Hit Points, the mind flayer kills the target by Extracting and Devouring its Brain.    

Mind Blast (Recharge 5-6)

The mind flayer magically emits Psychic Energy in a 60-Foot Cone. Each creature in that area must succeed on a DC 15 Intelligence Saving Throw or take 22 (4D8+4) Psychic Damage and be Stunned for 1 Minute. A Creature can repeat the Saving Throw at the end of each of its Turns, ending the Effect on itself on a success.


 

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