A full character turnaround sheet of a master tinkerer alchemist, elderly roguelike figure in stained leather apron with dozens of mechanical prosthetic arms extending from back-mounted brass apparatus, each arm holding different alchemical tools and glass vials, intricate clockwork goggles with rotating lenses perched on weathered face, wild silver hair buzzing with static electricity, belt of explosive potions and tuning wrenches, dramatic workshop backlighting with sparks and bubbling cauldrons, warm copper brass steam gray and phosphorescent green color palette, Painterly digital art style, concept art for video game, front and back view with gadget details