Dazzling Visage. A brilliant array of chromatic colors emanates from Windfall, causing attack rolls against her to have disadvantage. This trait ceases to function while Windfall has the incapacitated condition or has a speed of 0.

Legendary Resistance (3/Day). If Windfall fails a saving throw, she can choose to succeed instead.

Special Equipment. Windfall wears an iridescent magic coat that was tailored specifically for her and imbued with Tiamat's power. When she dies, the coat functions as a Robe of Scintillating Colors.

Spellcasting. Windfall casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 23):

At will: Detect Magic, Light, Thaumaturgy

1/day: Hold Monster

2/day each: Hypnotic Pattern, Sending

3/day each: Shatter, Unseen Servant

Multiattack. Windfall makes two Chromatic Rapier attacks and uses Dragon's Fury once.

Chromatic Rapier. Melee Weapon Attack: +14 to hit, reach 5 ft., one target. Hit:11 (1d8 + 7) piercing damage plus 21 (6d6) acid, cold, fire, lightning, or poison damage (Windfall's choice).

Dragon's Fury. Windfall targets one creature she can see within 60 feet of herself and unleashes a burst of magical ire. The target must make a DC 23 Wisdom saving throw. On a failed save, the target takes 36 (8d8) psychic damage and has the frightened condition until the start of Windfall's next turn. On a successful save, the target takes half as much damage only.

Stunning Scintillation (Recharge 5–6). Windfall emits an overwhelming array of colors from her coat. Each creature within 30 feet of Windfall that can see her must succeed on a DC 23 Constitution saving throw or have the stunned condition until the start of Windfall's next turn.

Deft Dance. Windfall moves up to her speed without provoking opportunity attacks.

Dragon's Flare. Windfall flares with multicolored flames and targets a creature she can see within 30 feet of herself. The target must make a DC 23 Dexterity saving throw. On a failed save, the target takes 26 (4d12) damage of a type chosen by Windfall: acid, cold, fire, lightning, or poison. On a successful save, the target takes half as much damage.

Cast a Spell (Costs 2 Actions). Windfall uses Spellcasting.