Specter

Stat block

Drifts through walls to strike from unexpected angles, draining Hit Point maximums; shrugs off weapons.

• Resistant: acid, bludgeoning, cold, fire, lightning, piercing, slashing, thunder
• Immune: necrotic, poison
• Condition immunities: charmed, exhaustion, grappled, paralyzed, petrified, poisoned, prone, restrained, unconscious
• Senses: darkvision 60 ft; passive Perception 10
• Languages: Common (understands but can't speak), one other language (understands but can't speak)

Traits

• Incorporeal Movement. The specter can move through other creatures and through objects, treating them as Difficult Terrain. If it ends its turn inside an object, it takes 5 (1d10) Force damage.
• Sunlight Sensitivity. While the specter is in sunlight, it has Disadvantage on ability checks and attack rolls.

Actions

• Life Drain. Hit: 7 (2d6) Necrotic damage. If the target is a creature, its Hit Point maximum is reduced by the amount of damage it took.

Where you meet it

• The Amber Temple: Hall of the Faceless God: The Wailing Hall · Patrina screams, and the frozen students at their desks lift their heads to scream with her.
• The Beacon Tower: The ash in the cradle stirs with no wind to stir it. The dark that settled into the dead lamp gathers itself…
• Castle Ravenloft, the Old Tombs: He is sitting on the edge of the dais between his mother and his father, and the shadows of the vault stand…
• Death House, Third Floor: She wants her baby back.
• Under Van Richten's Tower: The books on every shelf open at once with a sound like birds, and the people written in them come out of the…
• Under Van Richten's Tower: The Name Over the Door · Khazan stands up out of his chair, and every candle in the study leans toward him, and the books in the hall…
• Under Van Richten's Tower: The Name Over the Door · For one moment more Khazan is himself, and he doesn't lift a hand. Then the lights in his eyes go out, and…
• The River Ivlis Crossroads: The Grey Mare · The black horse in the traces stamps once, and the empty harness beside it swings. Pale shapes slide out of…
• Village of Barovia: The water in the well climbs the shaft on its own. She comes up out of it in her wedding veil, screaming, and…