A massive ancient war golem colossus, towering steam-powered mechanical titan from a forgotten clockwork empire, weathered bronze hull plates with exposed brass gears and copper piping, massive pistons pumping with visible steam pressure, glowing amber coal furnace core visible through cracked chest plate, heavy iron footsteps leaving deep crater imprints, clutching a massive double-headed war hammer of tempered steel and captured lightning, dozens of tiny mechanical owl familiars with glowing copper gear-eyes perched on shoulders, dramatic sunrise backlighting with towering factory chimney silhouettes and falling ash particle curtains, deep rust brown antique brass coal amber steam gray midnight blue and glowing ember core color palette, Painterly digital art style, concept art for video game, epic mechanical war machine showcase with forgotten empire lore details