Thundering Mephis is an echo in Wuthering Waves. Find out this echo ability, recommend primary main stats, sonata effects, and suggested characters here.
Table of Contents
Thundering Mephis Info
Echo Drop Reward

Thundering Mephis is one of the Boss challenge echo that will drop Hidden Thunder Tacet Core as reward. You'll require 60 waveplates to claim the reward. This material is use to ascend your character.
Echo Information
| Thundering Mephis | |
![]() | |
| COST | 4-COST |
| Secondary Main Stats | Flat ATK |
Thundering Mephis is one of the (4-COST) echoes with a fixed secondary main stats (Flat ATK), it has 7 random primary main stats.
Resonance
Void Thunder |
Thundering Mephis Echo Ability
Use the Echo Skill, transform into Thundering Mephis, shuttle attack, can be used up to 6 times, the First 5 times each cause % damage, the final hit causes % Electro damage, the thunder causes % Electro damage. After the final hit, the current Character's Electro damage increases by 12%, the Resonance Liberation damage increased by 12%, lasts for 15 seconds.
| Rank # | % 5-times Hit DMG | % Final Hit DMG | % Thunder DMG |
| Rank 1 | 49.76% | 248.80% | 41.46% |
| Rank 2 | 59.71% | 298.56% | 49.75% |
| Rank 3 | 69.66% | 348.32% | 58.04% |
| Rank 4 | 79.62% | 398.08% | 66.34% |
| Rank 5 | 89.57% | 447.84% | 74.63% |
Skill cooldown: 25 seconds.
Thundering Mephis Primary Main Stats
We know that the primary main stats is random for all echoes, however if you want to maximize the potential of Thundering Mephis we recommend the player to try and get ATK%.
| Echo Cost | Random Primary Main Stats |
Thundering Mephis (4-COST) | HP%, ATK%, DEF%, Crit Rate%, Crit DMG%, Healing Bonus% |
Thundering Mephis Sonata Effects
Achieve the Void Thunder sonata effect since Thundering Mephis ability is relying on bonus Electro DMG.
| Sonata | Effects |
Void Thunder | 2 Set: Electro DMG is increased by 10%. 5 Set: After using Heavy Attack or Resonance Skill, Electro DMG is increased by 15%, this effect can be stacked twice, each lasting 15 seconds. |
Note: Equip the same Thundering Mephis echo will not get Sonata effects. The players need to find other echo that has Void Thunder resonance to achieve the effects.
Thundering Mephis Suggested Characters
Thundering Mephis is a (4-COST) echo so it ability and set bonus is really great. If the player want to use Thundering Mephis as their active, we recommend using it with any Electro Characters.
Calcharo | Yinlin |
Yuanwu |
Other Echoes Details
End of Thundering Mephis Echo.


Void Thunder
Calcharo
Yinlin
Yuanwu
Aero Predator
Phantom Feilian Beringal
Phantom: Hoartoise
Phantom Impermanence Heron
Phantom Mourning Aix
Phantom Rock Guardian
Autopuppet Scout
Bell-Borne Geochelone
Baby Roseshroom
Chaserazor
Chasm Guardian
Chirpuff
Crownless
Cruisewing
Cyan-Feathered Heron
Diamondclaw
Electro Predator
Excarat
Feilian Beringal
Fission Junrock
Flautist
Fusion Dreadmane Minor
Fusion Prism
Fusion Warrior
Viridblaze Saurian
Glacio Predator
Glacio Prism
Gulpuff
Havoc Dreadmane
Havoc Prism
Havoc Warrior
Hoartoise
Hoochief
Hooscamp Flinger
Impermanence Heron
Inferno Rider
Lampylumen Myriad
Mech Abomination
Mourning Aix
Rocksteady Guardian
Roseshroom Mature
Sabyr Boar
Snip Snap
Spearback
Spectro Prism
Stonewall Bracer
Tambourinist
Tempest Mephis
Tick Tack
Traffic Illuminator
Vanguard Junrock
Violet-Feathered Heron
Whiff Whaff
Zig Zag