From Dragon Ball Encyclopedia, the ''Dragon Ball'' wiki
No. 16 removes his hands and reveals two built-in Arm Cannons. He then charges up energy before shouting, "Hell Flash!!" and releases a powerful wave of energy that scorches his opponent, inflicting a huge amount of damage.
No. 16 removes his hands and reveals two built-in Arm Cannons. He then charges up energy before shouting, "Blasters Fire!" and releases a powerful wave of energy that scorches his opponent, inflicting a huge amount of damage.
It is named Inferno Blast (to avoid religious references) in the manga.
Dragon Ball Z
No. 16 used this attack in his fight against Future Cell. After he punched Future Cell with his Rocket Punch, No. 16 proceeded to punch Future Cell to the ground and then threw him deeper into the ground. No. 16 then fired the Blasters Fire! attack, creating a huge shockwave around the entire island they had fought on. Future Cell was severly injured, but he moved underground to where Artificial Human No. 17 had been watching in shock and absorbed him, much to the surprise of No. 16 and Artificial Human No. 18.
Dragon Ball Z Kai
It is named Burning Flash in Dragon Ball Z Kai.
No. 16 has two versions of this attack in Dragon Ball Z: Ultimate Battle 22 and Dragon Ball Z: Burst Limit. In one version, he only uses the energy wave (named Hell's Beam in Dragon Ball Z: Burst Limit). In another version, he uses the rush attack that he had used against Future Cell before firing the Hell's Beam (his Meteor Attack and named Meteo Hell Flash Combo in Dragon Ball Z: Ultimate Battle 22).
No. 16 has three versions of this attack in Dragon Ball Z 2: Super Battle.
No. 16 fires the energy wave from only one hand in Dragon Ball Z: The Legend.
No. 16 uses this attack when he is summoned as a support-type character in the Supersonic Warriors video game series.