Z-390 incineration cannon

The Z-390 High-Explosive Munitions Rifle, also known as the Incineration Cannon, is a Forerunner heavy weapon.

Overview
The Incineration Cannon fires multiple streams of explosive particles that detonate and spread upon impact with a target. It has been described as "mixing traits of a rocket launcher, shotgun, and flamethrower."

List of appearances

 * Reclaimer Trilogy
 * Halo 4