Be creative here there are no wrong ideas.
I would like the Spartan laser to be a weapon personally, just called something different "Charge Rifle" was a name I had in mind
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Orbital bombardment: ship fires a volley on lasered position, only availablr outside Could be customized depending on ur ship, making them useful! Blasters for my sparrow. Or maybe a tank? A cool short sword animation for the titans melee A special weapon harpoon gun that can either pull you to your target or them to you A heavy weapon rail gun that deals huge damage to a single target, can shoot through cover Also launches deadly counter slug out the back, watch out team!