Morphable Echo - Void Thunder

Echoes

5★

Open to obtain a random Echo of the following Sonata Effect: Void Thunder. 2pcs Set: Electro DMG + 10%. 5pcs Set: Electro DMG + 15% after releasing Heavy Attack or Resonance Skill. This effect stacks up to 2 times, each stack lasts 15s.

Thunder is rumbling in the crevice...