Mind Flayer Arcanist

Medium Aberration Lawful Evil

CR 8

Saving Throws: Int +7, Wis +6, Cha +6
Skills: Arcana +7, Deception +6, Insight +6, Perception +6, Persuasion +6, Stealth +4
Senses: darkvision 120 ft., passive Perception 16
Languages: Deep Speech, Undercommon, telepathy 120 ft.
Environment: underdark

Combat Reference

(breastplate)

(13d8 + 13)

Speed 30 ft.

STR 11 +0

DEX 12 +1

CON 12 +1

INT 19 +4

WIS 17 +3

CHA 17 +3

Traits

Magic Resistance

The mind flayer has advantage on saving throws against spells and other magical effects.

Spellcasting

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:

Spellcasting

The mind flayer is a 10th-level spellcaster. Its spellcasting ability is Intelligence (save DC 15, +7 to hit with spell attacks). The mind flayer has the following wizard spells prepared:

Cantrips

blade ward

dancing lights

mage hand

shocking grasp

Level 1 (4 slots)

detect magic

disguise self

shield

sleep

Level 2 (3 slots)

blur

invisibility

ray of enfeeblement

Level 3 (3 slots)

clairvoyance

lightning bolt

sending

Level 4 (3 slots)

confusion

hallucinatory terrain

Level 5 (2 slots)

telekinesis

wall of force

Actions

Tentacles

Melee Weapon Attack: +7 to hit, reach 5 ft., 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 5 ft., one incapacitated humanoid grappled by the mind flayer. Hit:The target takes 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.