Annulment. If the demi-lich is subjected to an effect that allows it to make a saving throw to take only half damage, it instead takes no damage if it succeeds on the saving throw, and only half damage if it fails.

Legendary Resistance (3/day). If the demi-lich fails a saving throw, it can choose to succeed instead.

Spellcasting. The demi-lich is an 18th level spellcaster. Its spellcasting ability is Intelligence (spell save DC 21, +13 to hit with spell attacks). It has the following spells prepared:

Cantrips (at will): mage hand, prestidigitation, ray of frost

• 1st level (4 slots): detect magic, magic missile, shield, thunderwave

• 2nd level (3 slots): acid arrow, detect thoughts, invisibility, mirror image

• 3rd level (3 slots): animate dead, counterspell, dispel magic, fireball

• 4th level (3 slots): blight, dimension door

• 5th level (3 slots): cloudkill, scrying

• 6th level (1 slot): disintegrate, globe of invulnerability

• 7th level (1 slot): finger of death, plane shift

• 8th level (1 slot): dominate monster, power word stun

• 9th level (1 slot): power word kill

Turn Immunity. The demi-lich is immune to effects that turn undead.

Actions

Drain Life. Each non-undead creature within 10 feet of the demi-lich must make a DC 17 Constitution saving throw against this magic, taking 21 (6d6) necrotic damage, and the demi-lich regains hit points equal to the total dealt to all targets.

Soul Shatter (Recharge 6). The demi-lich emits a string of vile words of power. All creatures within 30 feet of the demi-lich that it can see must succeed on a DC 17 Constitution saving throw or drop to 0 hit points. On a successful save, the creature takes 22 (4d10) psychic damage and is frightened until the end of its next turn.

Legendary Actions

The demi-lich can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn. The demi-lich regains spent legendary actions at the start of its turn.

Flight. The demi-lich can move up to its full movement speed and does not invoke opportunity attacks while doing so.

Bone Dust. Blinding bone dust swirls magically around the demi-lich. Each creature within 5 feet of the demi-lich must succeed on a DC 17 Constitution saving throw or be blinded until the end of the creature’s next turn.

Frightening Glare (Costs 2 Actions). The demi-lich targets one creature it can see within 60 feet of it. If the target can see the demilich, it must succeed on a DC 17 Wisdom saving throw against this magic or become frightened until the end of the demi-lich’s next turn. If the target fails the saving throw by 5 or more, it is also paralyzed for the same duration. A target that succeeds on the saving throw is immune to the Dreadful Glare effect for the next 24 hours.

Profane Curse (Costs 3 Actions). The demi-lich targets one creature it can see within 30 feet of it. The target must succeed on a DC 17 Wisdom saving throw or be magically cursed. Until the curse ends, the target has disadvantage on ability checks, attack rolls, and saving throws. The target can repeat the saving throw at the end of each of its turns, ending the curse on a success.

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undead

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tome-of-horrors

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