Legendary Resistance (4/Day or 5/Day in Lair). If Valindra fails a saving throw, she can choose to succeed instead.

Spirit Gem. If destroyed, Valindra re-forms in 1d10 days if her spirit gem is intact, reviving with all her Hit Points. The new body appears in an unoccupied space within her lair.

Spellcasting. Valindra casts one of the following spells, using Intelligence as the spellcasting ability (spell save DC 20):

At will: Detect Magic, Detect Thoughts, Dispel Magic, Fly, Invisibility, Lightning Bolt (level 5 version), Mage Hand, Prestidigitation

1/day each: Cone of Cold (level 8 version), Finger of Death, Power Word Kill, Scrying

2/day each: Animate Dead, Plane Shift

Illusory Disguise. Valindra casts Disguise Self, using the same spellcasting ability as Spellcasting. The spell lasts until Valindra drops to 30 Hit Points or fewer or uses her Life-Rending Gaze Legendary Action. Intelligence (Investigation) checks made to discern her true appearance are made with Disadvantage.

Protective Magic. Valindra casts Counterspell or Shield in response to the spell's trigger, using the same spellcasting ability as Spellcasting.

Multiattack. Valindra makes three attacks, using Eldritch Burst or Paralyzing Touch in any combination. She can replace two attacks with a use of Spellcasting to cast Lightning Bolt (level 5 version).

Eldritch Burst. Melee or Ranged Attack Roll: +12, reach 5 ft. or range 120 ft. Hit:31 (4d12 + 5) Force damage.

Paralyzing Touch. Melee Attack Roll: +12, reach 5 ft. Hit:14 (2d8 + 5) Cold damage, and the target has the Paralyzed condition until the start of Valindra's next turn.

Deathly Grasp (Recharge 5–6). Dexterity Saving Throw: DC 20, each creature in a 30-foot Emanation originating from Valindra. First Failure: 39 (6d12) Force damage and the target has the Restrained condition and repeats the save at the end of each of its turns, ending the effect on itself on a success. After 1 minute, it succeeds automatically. Subsequent Failures: 39 (6d12) Necrotic damage, and Valindra gains 20 Temporary Hit Points.

Disrupt Life. Constitution Saving Throw: DC 20, each creature that isn't Undead in a 20-foot Emanation originating from Valindra. Failure: 21 (6d6) Necrotic damage. Success: Half damage. Failure or Success: Valindra can't take this action again until the start of her next turn.

Eldritch Jaunt. Valindra makes one Eldritch Burst attack. Before or after the attack, Valindra can teleport up to 20 feet to an unoccupied space she can see.

Life-Rending Gaze. Wisdom Saving Throw: DC 20, one creature Valindra can see within 30 feet. Failure: 22 (4d10) Necrotic damage, and the target has the Frightened condition until the end of its next turn. Success: Half damage only.