Prompt: Master Chief of the UNSC Spartan-II program, John-117, iconic Mjolnir powered assault armor with green highlights and reflective gold visor, holding an MA5C assault rifle in one hand, standing tall against a black void background, render inspired by Isaac Hannaford's cinematic concept art style for films like Dune, highly detailed textures and lighting that brings out the futuristic metallic materials and reinforced plating, 16K resolution, digital painting look with intricate brush strokes yet sharp clean edges, epic hero pose ready for battle as the savior of humanity.