Nightmare: Mourning Aix

ElectroEchoes Formation: Summon

Elements

Electro

Cost

Sonata sets

Wuthering Waves hasn't published a danger class (Calamity/Overlord/Elite) for this echo in the official data we have — no guessing, no made-up label.

Echo Skill

Summon a Nightmare: Mourning Aix to attack surrounding enemies, dealing 273.60% Spectro DMG. DMG dealt to enemies inflicted by Spectro Frazzle is increased by 100.00%. The Resonator with this Echo equipped in their main slot gains 12.00% Spectro DMG Bonus. CD: 20s.

Cooldown: 20s

Main-Slot Bonus

The Resonator with this Echo equipped in their main slot gains 12.00% Spectro DMG Bonus.

Where to Farm

Dropped by: Nightmare: Mourning Aix

Sonata sets

Eternal Radiance

2-PieceSpectro DMG + 10%

5-PieceInflicting Spectro Frazzle on enemies increases Crit. Rate by 20% for 15s. Attacking enemies inflicted with 10 stacks of Spectro Frazzle grants 15% Spectro DMG Bonus for 15s.

Eternal Radiance →