Heartbeat Distortion

Heartbeat Distortion (ハートビートファズ), full name Amplifier Jack: Heartbeat Distortion (ジャック: ハートビートファズ) is a Ultimate Move performed by Kyoka Jiro using her Earphone Jack Quirk.

Description
After Ultimate Move Training, Kyoka upgrades her costume with two new wrist amplifiers. She can plug in her Earphone Jack's into the amplifiers and release sonic waves into anything she touches with them. The waves produced were strong enough to break up the ground.