
Tempest Mephis
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
Transform into Tempest Mephis to perform tail swing attacks followed by a claw attack. The lightning strike summoned by the tail swing deals 102.48% Electro DMG each time, while the claw attack deals 175.68% Electro DMG. After the claw hit, increase the current character's Electro DMG by 12.00% and Heavy Attack DMG by 12.00% for 15s. CD: 20s
Cooldown: 20s
Where to Farm
Dropped by: Tempest Mephis Overlord Class
Sonata sets (2)
Empyrean Anthem
2-PieceEnergy Regen + 10%
5-PieceIncrease the Resonator's Coordinated Attack DMG by 80%. Upon a critical hit of Coordinated Attack, increase the active Resonator's ATK by 20% for 4s.
Empyrean Anthem →Void Thunder
2-PieceElectro DMG + 10%.
5-PieceElectro DMG + 15% after releasing Heavy Attack or Resonance Skill. This effect stacks up to 2 times, each stack lasts 15s.
Void Thunder →






