A full character turnaround sheet of an ancient treant war-forge architect, colossal living tree humanoid with bark armor fused to brass steam pipes and copper cooling coils, wooden face with glowing amber sap veins running like circuitry, massive steam-powered mechanical arms ending in hammer fists and wrench claws, torso housing a bubbling heartwood boiler with pressure gauges and steam valves, roots digging into a platform of interlocking gears and crystalline transformers, dozens of tiny sapling helper spirits with tiny tool belts crawling across massive frame, dramatic forge backlighting with molten copper glow and flying sparks, deep forest green antique brass steam white copper bronze and ember orange color palette, Painterly digital art style, concept art for video game, front and back view with steampunk machinery details