Directory: Techniques → Offensive Techniques → Continuous Energy Bullet
Hell's Storm (ヘルズストーム Heruzu Sutōmu) is a technique used by Super 17.
Overview

Super 17 removes one of his hands to fire the Hell's Storm
In a manner similar to Android 16's Hell's Flash, Super 17 must remove one of his hands to perform the attack. He then fires hundreds (if not thousands) of bullets like a machine gun at his opponent, inflicting a massive amount of damage.
Usage
This attack is used against the Dragon Team, who are greatly overpowered by Super 17, while Goku is trapped in Hell.
Similar Techniques
In Dragon Ball Z: The World's Strongest, Dr. Kochin also contains a machine gun hidden in his arm, as he is an android too, which allows him to perform an attack similar to the Hell's Storm.
Video Game Appearances
Hell's Storm is named in the Budokai Tenkaichi series as one of Super 17's Blast 2.

Super 17's Hell's Storm combo in Xenoverse
In Xenoverse series, it appears as part of Super 17's basic Strong Attack combo.