Cymbal uses this technique in his battle against Yajirobe at Yajirobe's Prairie. He fires many Beam Rays, but the swordsman dodges them with ease, then quickly and easily slices Cymbal in two with his katana.
Appearances in games
Beam Ray was named in the video game Dragon Ball: Daimaō Fukkatsu. It is used by Drum in Dragon Ball: Advanced Adventure. It is called Electromagnetic Wave in Dragon Ball Z: Dokkan Battle, where it is colored yellow. However, it appears as a large Ki Blast instead of an energy wave.