Shadow Demon

Medium Fiend (Demon), Chaotic Evil

AC: 13

Initiative: +3 (13)

HP: 66 (12d8 + 12)

Speed: 30 ft., fly 30 ft.

STR
1 (-5)
DEX
17 (+3)
CON
12 (+1)
INT
14 (+2)
WIS
13 (+1)
CHA
14 (+2)

Saving Throws: Dex +5, Cha +4

Skills: Stealth +7

Vulnerabilities: radiant

Resistances: acid; fire; necrotic; thunder; bludgeoning, piercing, slashing from nonmagical attacks

Immunities: cold; lightning; poison

Condition Immunities: exhaustion; grappled; paralyzed; petrified; poisoned; prone; restrained

Senses: darkvision 120 ft., Passive Perception 11

Languages: Abyssal, telepathy 120 ft.

CR: 4 (XP 1,100; PB +2)

Incorporeal Movement.

The demon can move through other creatures and objects as if they were difficult terrain. It takes 5 (1d10) force damage if it ends its turn inside an object.

Light Sensitivity.

While in bright light, the demon has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.

Shadow Stealth.

While in dim light or darkness, the demon can take the Hide action as a bonus action.

Actions

Claws.

Melee Weapon Attack: +5 to hit, reach 5 ft., one creature. Hit: 10 (2d6 + 3) psychic damage or, if the demon had advantage on the attack roll, 17 (4d6 + 3) psychic damage.

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Shadow Demon

Source: Monster Manual (2014), p. 64 - Licenses and attribution