The Plasma Launcher from Halo: Reach was similar to the Spartan Laser but had a unique Covenant spin on it. It charged up four plasma grenades that launched at its targets, making it a formidable power weapon.
The other thing, I want to discuss is perhaps a Promethean/Forerunner Charged Weapon. I know we don’t need another reskin… but the only thing in common it would have, is it being a power weapon and that its charged. I got an idea, from Halo Legends: Origins, when they use the pistol and it combines beams, and Halo 4, Incineration Cannon, these two firing methods could be implemented into a beam based weapon. So here is my idea:
Vortex Beam
Background Description
Made on the Capital World, this weapon was initially for the contender-class ancillas and sentinels, to counter the Human-San’Shyuum Empire. Unfortunately as time passed, this weapon was taken by the Flood, and was used against the Forerunner. So the Forerunner had decided to reinstates its purpose, to the Promethean warriors, under the Didact’s command. The Didact, being formidable on and off the battlefield, used the Vortex Beam interior design, to create a new weapon, which was more suitable to counter the Flood, the Incineration Cannon.
Physical Appearance
The Vortex Beam had been a formidable weapon, during the Human-Forerunner War, and had withstood, the age of time. The Vortex is a charged based weapon that glows blue, green and white, like the Builder or Lifeworker Castes. It fires three initial beams (particles), one blue, one green and one white. The three beams spiral towards its intended target, uniting in the process, which forms one concentrated shot, of blue(proton), green(electron) and white(nuetron) accelerated particles. The accelerated particles are suspended in their separate chambers until they are fired, when they spiral they continually collide and form chemical collisions, eventually finishing with a huge chemical reaction, and creating a atomic blast.
P.S. I’ll draw a design of the firing mode to show you. Give us a few days.