Z-390 incineration cannon
From Halopedia, the Halo wiki
The Weapon/Anti-Materiel Z-390 High-Explosive Munitions Rifle (W/AM Z-390 HEMR), also known as the incineration cannon, is a Forerunner anti-matériel weapon originally used to combat the Flood. It is commonly used by Promethean Knight Commanders.
The Incineration Cannon was often used to strategically purge infected sites. Prometheans used the Incineration Cannon when assaulting a location believed to contain a Gravemind, or early-forming spore mountains, that were deemed too small for ship weapons but too large for infantry weapons. The Incineration Cannon fires five antimatter-infused streams of concentrated explosive particles, which gather into globular projectiles that oscillate along a straight trajectory and disintegrate targets when landing a killing blow. The projectiles detonate and spread upon impact with a target, ricocheting and bouncing in tall but short arc trajectories. It initially holds five whole charges at a time with one shot per charge. Each charge is automatically "loaded" after firing and cool-down. It has been described as "mixing traits of a rocket launcher, shotgun, and flamethrower."
The weapon possesses an angular design and a metallic casing. It appears to be held together, at least partly, by energy fields as indicated by its self-assembly process and reloading mechanics. Red highlights can be seen while the weapon is self-assembling and throughout the casing once assembly is complete; these highlights grow brighter when the weapon is fired. The weapon features an integrated optical scope for targeting accuracy.
Changes from Halo 4 to Halo 5: Guardians
Halo: Spartan Strike
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