Tempest Mephis is an Echo that can be equipped by your Resonators in Wuthering Waves. Scroll down and read more to learn Tempest Mephis's stats, class, cost, Echo Ability, Sonata Effects, and how to get it!
Tempest Mephis Overview
Class, Cost, and Echo Ability
Tempest Mephis | Class: Overlord |
| Cost: 4 | |
| Echo Ability Transform into Tempest Mephis to perform tail swing attacks followed by a claw attack. The lightning strike summoned by the tail swing deals 59%* Electro DMG each time, while the claw attack deals 158%* Electro DMG. After the claw hit, increase the current character’s Electro DMG by 12% and Heavy Attack DMG by 12% for 15 seconds. Skill Cooldown: 25 seconds | |
NOTE: You can equip up to five Echoes on a Resonator as long as they meet your current Cost limit, but they can only use the Echo Ability of the Echo they have equipped on their 1st slot. Your Echoes' Cost limit, drop rate, and class are all determined by your Data Bank's Terminal Level.
Possible Sonata Effects
Here are the Sonata Effects that you can potentially get upon acquiring a copy of Tempest Mephis:
Void Thunder |
| 2-set effect: Electro damage is increased by 10%. |
| 5-set effect: When releasing Heavy Attack or Resonance Skill, Electro damage dealt is increased by 15%, stacking up to two times, each lasting for 15 seconds. |
Possible Main Stats & Substats
Here are the potential stat boosts that a copy of Tempest Mephis can provide your Resonators with:
| Main Stats Tempest Mephis | Random: HP%, ATK%, DEF% , Crit Rate%, Crit DMG%, Healing Bonus% |
| Fixed: ATK | |
| Substats Tempest Mephis | Random: HP, HP%, ATK, ATK%, DEF, DEF%, Basic Attack DMG Bonus%, Heavy Attack DMG Bonus%, Resonance Skill DMG Bonus%, Resonance Liberation DMG Bonus, Crit Rate%, Crit DMG% |
How to Get Tempest Mephis
World Map
You can get this Echo by defeating the Tempest Mephis boss and absorbing its reverberation.
Go to this map location [Huanglong-Central Plains-Qichi Village] specifically to see the Tempest Mephis boss:


This spawn point is located underground. Here's the exact location of the entrance to the Tempest Mephis boss's spawn point, which is near the Central Plains Resonance Nexus:


NOTE: You can absorb Echoes of Calamity-class and Overlord-class Tacet Discords without spending your Waveplates by not claiming the rewards after you defeat them.
Tempest Mephis Rewards

Aside from its Echo, here are all the rewards you can get by defeating the Tempest Mephis and spending 60 Waveplates after the battle:
| Tempest Mephis Rewards (First Clear) | Quantity |
|---|---|
Union EXP | x500 |
Astrite | x20 |
Advanced Resonance Potion | x1 |
Advanced Energy Core | x1 |
Shell Credits | x12,000 |
| Tempest Mephis Rewards (Subsequent Clears) | Quantity |
|---|---|
Union EXP | x450 |
Hidden Thunder Tacet Core | Depends on Current Sol3 Phase |
Medium Sealed Tube | Depends on Current Sol3 Phase |
Medium Resonance Potion | Depends on Current Sol3 Phase |
Medium Energy Core | Depends on Current Sol3 Phase |
Intimacy | Depends on Current Sol3 Phase |
Shell Credits | Depends on Current Sol3 Phase |
Best Resonators for Tempest Mephis
Here's a list of Resonators that you should consider equipping with Tempest Mephis's Echo:
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