A full character turnaround sheet of an ancient clockwork phoenix assassin, deadly mechanical avian creature with exposed brass bone structure and interlocking copper feather plates, glowing amber eye lenses with targeting reticles, sharp wing edges fitted with hidden blade weapons, trailing feathers of smoldering cinder and oil-soaked wicks, clutching a broken hourglass filled with frozen temporal sand, dramatic explosion backlighting with orange fire and black smoke, deep oxidized bronze burnt umber molten gold and ash gray color palette, Painterly digital art style, concept art for video game, front and back view with weapon mechanism details