Vengeful Spirit

Medium Undead, Neutral Evil

Armor Class: 16

Hit Points: 84 13d10+13

Speed: fly 30 ft. (hover)

STR DEX CON INT WIS CHA

10(+0) 18(+4) 12(+1) 12(+1) 10(+0) 14(+2)

Saving Throws: Dexterity +9, Intelligence +6

Skills: Stealth +15

Damage Resistance: acid, fire, lightning, thunder

Damage Immunity: cold, necrotic, poison; bludgeoning, piercing, and slashing from nonmagical attacks.

Damage Weakness: radiant.

Condition Immunity: Charmed, exhausted, frightened, grappled, paralyzed, petrified, poisoned, prone, and restrained.

Senses: Darkvision 30 ft., passive perception 14

Languages: None

Challenge: 10 (5,900 XP)

Victim Link: The vengeful spirit automatically sense the location of its intended victim even if that victim is on another plane of existence.

Incorporeal Movement: The vengeful spirit can move through objects or people as if they were difficult terrain. It cannot end its turn inside an object or person.

Undead Nature: The vengeful spirit doesn’t require air, food, drink, or sleep.

Blade Attunement: The vengeful spirit is attuned to the Backstabber Blade and can wield it. Once the vengeful spirit appears, it takes possession of the blade. The Backstabber Blade cannot be taken from the vengeful spirit through any means. The Backstabber Blade gains the ability of incorporeal movement when held by the vengeful spirit.

Night Restriction: The vengeful spirit can only move at night. It will withdraw from sunlight whether magical or natural.

Victim Hunt: The vengeful spirit teleports to within 10 miles of its intended victim if it is distant or on another plane.

Sneaky Attack: The first successful attack the vengeful spirit makes in combat deals an additional 18 points of damage.

Multiattack. The vengeful spirit makes two melee attacks per round

Dagger Attack: Melee Weapon Attack. +12 to hit, reach 5 ft., one creature. Hit: 8 (2d6+5) slashing damage from the Backstabber Blade. The vengeful spirit gains all of the abilities of the Backstabber Blade.

The vengeful spirit prefers to use stealth and cunning to stalk its victim and usually wait until the victim is alone. It will only attack its intended victim. The vengeful spirit will retreat if it is overwhelmed and return at more opportune moment. Once destroyed or successful in its attack, the vengeful spirit dissipates leaving the Backstabber Blade behind.