Aberrant Cultist

(2024 Monster Manual)

Small humanoid, Neutral Evil

Armor Class14
Hit Points137 (25d8 + 25)
Speed30 ft.
STRDEXCONINTWISCHA
10 (+0) 19 (+4) 12 (+1) 16 (+3) 18 (+4) 15 (+2)
Saving ThrowsInt +6, Wis +7
SkillsArcana +6, Perception +7, Religion +6
Damage Vulnerabilities—
Damage Resistances—
Damage Immunities—
Condition Immunities—
SensesDarkvision 90 ft., passive Perception 17
LanguagesCommon, Deep Speech; telepathy 30 ft.
Challenge8

Actions

Multiattack.

The cultist makes two Tentacle Lash attacks. It can replace any attack with a use of Mind Rot.

Tentacle Lash.

Melee Attack Roll: +7, reach 10 ft. Hit: 7 (1d6 + 4) Slashing damage plus 14 (4d6) Psychic damage. If the target is a Large or smaller creature, it has the Grappled condition (escape DC 14) from one of two tentacles, and it has the Restrained condition until the grapple ends.

Mind Rot.

wis DC 15, one creature the cultist can see within 90 feet. Failure: 27 (6d8) Psychic damage, and the target has the Poisoned condition until the start of the cultist's next turn. Success: Half damage only.

Spellcasting

The cultist casts one of the following spells, using Wisdom as the spellcasting ability (spell save DC 15):

At will: Detect Thoughts, Minor Illusion

The cultist casts Counterspell in response to that spell's trigger, using the same spellcasting ability as Spellcasting.

2/day: Counterspell