I created this because my friend asked me "what would it be like if every bad guy fought every good guy"
I'm kind of focusing on games so what if you had chaos space marines, locust, covenant loyalist, and many more fight the space marines, cog, UNSC, covenant separatist and maybe even CoD characters fight?
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When the Chaos Order attacked earth, special forces were sent in to hold them off until reinforcements arrived.
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Short, not enough time, maybe later. I might even make an animation to go with this.