Android 15 raises his right hand and creates an energy sphere that he fires at his target.
In Dragon Ball Z: Super Android 13!, 15 uses this attack to wreak havoc in the city, destroying anything in his way, like an elevator in a mall; the blast caused many explosions and spread panic in the mall. Later, the Android uses this attack against Goku during their battles in the city, as well as on the Glacier.
Video Game Appearances
This technique was named Multi-step Ki Blast in Dragon Ball: Raging Blast 2, where it is Android 15's signature attack.