Khargi 2014

CR 9 fiend

Huge fiend, neutral evil

Armor Class: 16 (natural armor)
Hit Points: 147 (14d12+56)
Speed: 30 ft., fly 20 ft.

STR20 (+5)

DEX12 (+1)

CON18 (+4)

INT10 (+0)

WIS15 (+2)

CHA9 (-1)

Saving Throws: Dexterity +5, Constitution +8, Wisdom +6
Skills: Perception +2
Resistances: fire; nonmagic B/P/S attacks
Damage Immunities: poison
Condition Immunities: poisoned, prone
Senses: blindsight 30 ft., darkvision 60 ft., passive Perception 12
Languages: understands Abyssal and Infernal but can't speak
Challenge: 9 (5,000 XP) · Proficiency Bonus +4

Deadly Infestation.

A creature that touches the khargi or hits it with melee attack while within 5 ft. of it takes 7 (2d6) poison as stinging insects rise up to protect the khargi.

Death Swarms.

When it dies the insects crawling across and within it burst from its body forming 2d4 swarms of insects that appear in unoccupied spaces within 5 ft. of khargi’s space.

Infested Weapons.

Its weapon attacks are magical. When it hits with any weapon deals + 2d6 poison (included below).

Reactions

Adaptive Carapace.

When it takes acid cold force lightning or thunder it can magically attune itself to that type of damage. Until end of its next turn khargi has resistance to damage of the triggering type and when it hits with any weapon target takes an extra 7 (2d6) damage of the triggering type.

Source: Tome of Beasts 3 (Kobold Press) · License: OPEN GAME LICENSE Version 1.0a details