Just like the early plane and tank concepts of Da Vinci, Iron Man's suit has tons of cogwheels, detailed parts and sidenotes on artist Axel Medellin's drawings.
This would be the perfect thing for an endgame armor in any steampunk-themed RPG. Check out the concepts below, those gargoyle-shaped launchers are just awesome.
Da Vinci's Iron Man [DeviantART]
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