Captain N'ghathrod

(Waterdeep: Dungeon of the Mad Mage)

Medium aberration, Lawful Evil

Armor Class15 (breastplate)
Hit Points111 (13d8 + 13)
Speed30 ft.
STRDEXCONINTWISCHA
11 (+0) 12 (+1) 12 (+1) 19 (+4) 17 (+3) 17 (+3)
Saving ThrowsCha +6, Int +7, Wis +6
SkillsArcana +7, Deception +6, Insight +6, Perception +6, Persuasion +6, Stealth +4
Damage Vulnerabilities—
Damage Resistances—
Damage Immunities—
Condition Immunities—
Sensesdarkvision 120 ft., passive Perception 16
LanguagesDeep Speech, Undercommon, telepathy 120 ft.
Challenge8

Traits

Magic Resistance.

Captain N'ghathrod has advantage on saving throws against spells and other magical effects.

Actions

Tentacles.

Melee Attack Roll: +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 Attack Roll: +7 to hit, reach 5 ft., one incapacitated humanoid grappled by Captain N'ghathrod. Hit: The target takes 55 (10d10) piercing damage. If this damage reduces the target to 0 hit points, Captain N'ghathrod kills the target by extracting and devouring its brain.

Mind Blast (Recharge 5-6).

Captain N'ghathrod 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.

Innate Spellcasting (Psionics)

Captain N'ghathrod's innate spellcasting ability is Intelligence (spell save DC 15). It can innately cast the following spells, requiring no components:

At will: detect thoughts, levitate

1 each/day: dominate monster, plane shift (self only)

Captain N'ghathrod is a 10th-level spellcaster. Its spellcasting ability is Intelligence (save DC 15, +7 to hit with spell attacks). Captain N'ghathrod 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