Thundering Mephis's drop, used for Resonator Ascension.
The core of Thundering Mephis. Like a miniature thunderstorm, the core radiates a dazzling light between the flashes.
Sources
Thundering Mephis
WuWa Akademiya is a fan-made database for the game Wuthering Waves. This website is not affiliated with Kuro Games, and all in-game elements used are their property.
