Artifact

Large undead, neutral evil

Armor Class 17 (natural armor)

17 (natural armor) Hit Points 150 (15d10 + 60)

150 (15d10 + 60) Speed 30ft.

STR DEX CON INT WIS CHA 18 (+4) 20 (+5) 17 (+4) 15 (+3) 15 (+2) 15 (+2)

Saving Throws Str +8, Con +8

Str +8, Con +8 Condition Immunities Blinded, deafened, paralyzed

Blinded, deafened, paralyzed Damage Immunities Slashing, piercing and bludgeoning from nonmagical sources

Slashing, piercing and bludgeoning from nonmagical sources Vulnarabilities Radiant

Radiant Senses Blindsight 60 feet, passive Perception 13

Blindsight 60 feet, passive Perception 13 Languages Abyssal, Common

Abyssal, Common Challenge 10 (5,900 XP)

False Appearance. While the Artifact is within its shell, it is indistinguishable from an ordinary object

Ambusher. The creature has advantage on attack rolls against any creature it has surprised.

Horrifying Visage. Each non-undead creature of the creature's choice within range must make a Wisdom saving throw or be frightened for 1 minute.

Undead Fortitude. If the creature would be reduced to 0 hit points, there is a chance that it can instead only be reduced to 1. This feature is negated if the damage is from radiant nature.

Actions

Multiattack The Artifact makes 2 Claw attacks

Claw. Melee Weapon Attack: +8 to hit, reach 5ft., one target. Hit 20 (4d8 + 4) slashing damage

Soul Leech (Recharge 5-6) The Artifact turns towards one creature within 60 feet of it. That creature must make a DC 15 Constitution saving throw. On a failure, it takes 40 (12d6+4) piercing damage, and cannot gain the benefits of a short or long rest until this effect is negated by a greater restoration spell or similar magic. On a success, it takes half damage.