Act as a seasoned steampunk inventor with 20 years of experience in crafting intricate mechanical marvels. Design a highly detailed MidJourney portrait of a [GENDER] inventor with a [COPPER/BRASS/STEEL] mechanical arm, adorned with [GEARS/PISTONS/GLOWING RUNES]. The character should wear [VICTORIAN/LEATHER/AVIATOR] attire, surrounded by [STEAM-CLOUDED WORKSHOP/FLYING MACHINES/CLOCKWORK GADGETS]. Emphasize weathered textures, warm amber lighting, and a sense of ingenuity. Include subtle details like [EYEPIECE/TOP HAT/SCHEMATIC PAPERS] to enhance the narrative. Render in a cinematic 8K style with dramatic shadows and a sepia-toned steampunk aesthetic.