Void Thunder
2-piece · Electro DMG + 10%.
5-piece · Electro DMG + 15% after releasing Heavy Attack or Resonance Skill. This effect stacks up to 2 times, each stack lasts 15s.
All echoes
Electro
Wuthering Waves · Echoes
Thundering Mephis
Transform into Thundering Mephis to deal Electro DMG. Increase the current character's Electro DMG and Resonance Liberation DMG.
ElectroEcho skill
What the echo grants when equipped and used. Values are the game’s own, as filled in for a max-level echo.
Transform into Thundering Mephis, engaging in a rapid assault of up to 6 strikes. The first 5 strikes deal 132.61% Electro DMG each, while the final strike inflicts 189.44% Electro DMG, with an additional 31.57% Electro DMG from the thunder.
After the final hit, increase the current character's Electro DMG by 12.00% and Resonance Liberation DMG by 12.00% for 15s.
CD: 20s
Sonata sets
The sets this echo feeds. Bonuses apply when the team holds enough pieces of the same set.
More echoes
Continuing through the catalogue in order (browsing, not recommendations).
Questless Knight
Electro
Diurnus Knight
Electro
Nocturnus Knight
Electro
Abyssal Patricius
Electro
Abyssal Gladius
Electro
Abyssal Mercator
Electro
Game data updated Oct 27, 2026