Thundering Mephis

4-Cost overlord Echo skill, Sonata membership, stat pool, and roll reference.

Echo Skill

Transform into Thundering Mephis, engaging in a rapid assault of up to 6 strikes. The first 5 strikes deal 82.88% Electro DMG each, while the final strike inflicts 118.40% Electro DMG, with an additional 19.73% 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

Transformation/effect duration: 15s

Buffs and utility

After the final hit, increase the current character's Electro DMG by 12.00% and Resonance Liberation DMG by 12.00% for 15s.
The first 5 strikes deal 82.88% Electro DMG each, while the final strike inflicts 118.40% Electro DMG, with an additional 19.73% Electro DMG from the thunder.

4-Cost main-stat reference

HP%33.0%

ATK%33.0%

DEF%41.8%

Crit Rate22.0%

Crit DMG44.0%

Healing Bonus26.4%

Fixed secondary main stat: Flat ATK 150

Substat roll ranges

HP320–580

ATK30–60

DEF40–70

HP%6.4%–11.6%

ATK%6.4%–11.6%

DEF%8.1%–14.7%

Crit Rate6.3%–10.5%

Crit DMG12.6%–21.0%

Energy Regen6.8%–12.4%

Basic Attack DMG%6.4%–11.6%

Heavy Attack DMG%6.4%–11.6%

Resonance Skill DMG%6.4%–11.6%

Resonance Liberation DMG%6.4%–11.6%

Substats unlock every 5 Echo levels through Tuning, up to five slots.