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    Bingui 빙의

    Medium undead, typically chaotic neutral or evil

    Armor Class 15 (ethereal hide)

    Hit Points 136 (16d10 + 48)

    Speed 0 ft., fly 40 ft. (hover)

    STR 6 (−2) · DEX 18 (+4) · CON 16 (+3) · INT 14 (+2) · WIS 17 (+3) · CHA 20 (+5)

    Saving Throws Wis +7, Cha +9

    Skills Insight +7, Intimidation +9, Perception +7, Stealth +8

    Damage Vulnerabilities radiant

    Damage Resistances cold, fire, lightning, necrotic; bludgeoning, piercing, and slashing from nonmagical attacks

    Damage Immunities poison

    Condition Immunities charmed, exhaustion, grappled, paralyzed, petrified, poisoned, prone, restrained

    Senses darkvision 120 ft., passive Perception 17

    Languages the languages it knew in life; telepathy 120 ft.

    Challenge 10 (5,900 XP)

    Traits

    Incorporeal Movement. The bingui 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.

    Unseen Guest. The bingui is invisible while it is inside a creature or object, or while it remains motionless.

    Spirit of Many Faces. When the bingui appears, choose a nature for it:

    • Wongwi (Vengeful Spirit). It deals an extra 7 (2d6) psychic damage whenever it hits a creature that has wronged it in life (DM’s call).

    • Japgwi (Motley Spirit). It has advantage on Dexterity (Stealth) and Charisma (Deception) checks and can speak through any unattended object within 30 feet.

    • Chang-gwi (Tiger’s Servant). While a tiger or similar Large feline the spirit can see is alive, the bingui can’t be permanently destroyed (see Anchored to the Tiger, below).

    • Divine Spirit. It is neutral good, loses its radiant vulnerability, and its Withering Touch deals radiant instead of necrotic damage. Friendly creatures within 10 feet of its host have advantage on saving throws against disease and poison.

    Anchored to the Tiger (Chang-gwi Only). If the spirit has this trait and is reduced to 0 hit points, it dissipates but reforms inside its tiger master 1 hour later. Killing the tiger first ends this effect.

    Actions

    Multiattack. The bingui makes two Withering Touch attacks.

    Withering Touch. Melee Spell Attack: +9 to hit, reach 5 ft., one creature. Hit: 22 (4d8 + 4) necrotic damage.

    Reaping Scream (Recharge 5–6). The bingui releases a soul-rending shriek. Each creature of its choice within 20 feet must make a DC 17 Wisdom saving throw, taking 33 (6d10) psychic damage on a failed save, or half as much damage on a successful one. A creature that fails is also frightened until the end of its next turn.

    Possession (Recharge 6). One humanoid the bingui can see within 5 feet must succeed on a DC 17 Charisma saving throw or be possessed; the bingui then disappears, and the target is incapacitated and loses control of its body. The bingui now controls the body but can’t be targeted by any attack, spell, or other effect except those that turn undead, and it retains its alignment, Intelligence, Wisdom, and Charisma. It otherwise uses the possessed target’s statistics but gains the bingui’s immunities, vulnerabilities, and trait benefits.

    • The possession lasts until the body drops to 0 hit points, the bingui ends it as a bonus action, or a cleric or shaman drives it out with dispel evil and good, greater restoration, or a successful DC 17 Religion check made as part of an 8-hour gut ritual. When the possession ends, the bingui reappears in an unoccupied space within 5 feet of the body.

    Bonus Actions

    Twitch of Power. While possessing a creature, the bingui can force its host to make one weapon attack or cast one cantrip it knows.

    Reactions

    Shiver in the Spine. When a creature within 30 feet that can hear the bingui succeeds on a saving throw against being frightened, the bingui can impose disadvantage on the next saving throw that creature makes before the end of its next turn.

    Lore

    A possessing spirit that inhabits a human body. It can control the host and reenact deeds from its life; the

    Bingui (빙의) is a spirit that can enter and take control of a person’s body. The idea of spirit-possession is hardly unique to Korea—it appears in Christianity, Buddhism, Hinduism, and countless traditional beliefs across Africa and Southeast Asia—so bingui taps into something almost universal in the human imagination.

    In everyday speech the word usually implies a malevolent spirit, yet bingui can also describe a positive, even sacred experience called sinnaerim (신내림). During sinnaerim a deity or ancestral spirit descends into the shaman’s body, granting the power to heal, prophesy, and speak with the other world. In other words, bingui spans the whole spectrum from divine inspiration to outright parasitism.

    From Korean Bestiary 5E, p. 16 · Fern Flower Press