Crystalline Devil

Medium fiend, lawful evil

Armor Class

15 (natural armor)

Hit Points

102 (12d8 + 48)

Speed

30 ft.

STR

18 (+4)

DEX

12 (+1)

CON

18 (+4)

INT

14 (+2)

WIS

13 (+1)

CHA

15 (+2)

Damage Immunities

fire, poison

Damage Resistances

acid, cold; bludgeoning, piercing, and slashing from nonmagical weapons that aren't silvered

Condition Immunities

poisoned

Senses

darkvision 120 ft., passive Perception 11

Saving Throws

Wis +4, Cha +5

Skills

Deception +8, Insight +4

Languages

Celestial, Common, Infernal, telepathy 120 ft.

Challenge

6 (2300 XP)

Devil’s Sight. Magical darkness doesn’t impede the devil’s darkvision.

Magic Resistance. The crystalline devil has advantage on saving throws against spells and other magical effects.

Sneak Attack (1/Turn). The crystalline devil deals an extra 7 (2d6) damage when it hits a target with an attack and has advantage on the attack roll, or when the target is within 5 feet of an ally of the devil that isn’t incapacitated and the devil doesn’t have disadvantage on the attack roll.

Innate Spellcasting. While in the form of a gemstone, the devil is an innate spellcaster. Its spellcasting ability is Charisma (spell save DC 13). The devil can innately cast the following spells, requiring no material components:

2/day: command

1/day: suggestion

Variant: Devil Summoning. Some crystalline devils have an action option that allows them to summon other devils.

Summon Devil (1/Day): The crystalline devil has a 25 percent chance of summoning one crystalline devil

Actions

Multiattack. The devil makes two claw attacks.

Betraying Carbuncle. The crystalline devil takes the form of a gemstone worth 500 gp. It radiates magic in this form, but it can’t be destroyed. It is fully aware and can see and hear its surroundings. Reverting to its usual form requires another action.

Claw. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) slashing damage.

Crystalline Spray (Recharge 5-6). The crystalline devil magically sprays shards of crystal in a 15-foot cone. Each target in that area takes 17 (7d4) piercing damage, or half damage with a successful DC 15 Dexterity saving throw.

medium
fiend
cr6
tome-of-beasts