Warhammer 40k, Space Marines, Dreadnought, mech suit, imposing, powerful, mechanical legs, bulky torso, ornate armor, golden trim, red lenses, skull-like helmet, iconic wings on shoulder pads, battle-damaged, worn, rusty, metallic texture, dark gritty background, Gothic architecture, ruined cityscape, smoke-filled atmosphere, ominous lighting, dynamic composition, heroic pose, mighty fist, laser cannon, missile launchers.