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Thundering Mephis is a 4-Cost Echo you can get in Wuthering Waves. See full details about Thundering Mephis, its skills, possible Sonata Effects, how to get it, and recommended characters to equip it to in this guide!
| Thundering Mephis Related Guides | ||
|---|---|---|
| Location and Rewards | Echo Skill and Info | Nightmare Echo Skill and Info |
List of Contents
|
Thundering Mephis W76 |
|
|---|---|
|
|
| Class | Cost |
| Overlord | 4 |
| Possible Sonata Effects | |
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
The effect above is for a Rarity 5 Thundering Mephis Echo.
| Phantom: Thundering Mephis |
|---|
![]() |
Thundering Mephis has a Phantom or Shiny version known as Phantom: Thundering Mephis. Phantom: Thundering Mephis is only a different color that you can apply to all other Echoes of the same type.
List of All Phantom Echoes
| Sonata Effect | Set Bonuses |
|---|---|
|
|
2-pc: Electro DMG +10%.
5-pc: Electro DMG +15% after releasing Heavy Attack or Resonance Skill. This effect stacks up to 2 times, each stack lasts 15s. |
You can get a Thundering Mephis from defeating one at its boss challenge location. These are tough enemies, so be sure you're prepared!
Thundering Mephis Location and How to Get to It

You can get Phantom: Thundering Mephis in the Points Shop under the Simulation Training Store for 300 Data Sets after obtaining 2,500 Data Sets in total. You can get this currency by completing Tactical Hologram Challenges.
All Tactical Hologram: Calamity Locations
| Recommended Characters |
|
|
|---|
The characters above are best suited to equip Thundering Mephis as its skill increases Electro and Resonance Liberation DMG.

List of Echoes and Sonata Effects
| Echoes by Cost | ||
|---|---|---|
| 4-Cost | 3-Cost | 1-Cost |
| Echo Classes | |||
|---|---|---|---|
| Calamity | Overlord | Elite | Common |
Thundering Mephis Echo and Skills: W76



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