A full character turnaround sheet of an ancient Saharan Libraries archivist keeper, dignified elderly scholar in flowing midnight blue and cream robes embroidered with golden constellation maps, intricate silver library keys dangling from braided leather belt, weathered parchment-dark hands holding a massive obsidian astrolabe, wise eyes reflecting centuries of knowledge, towering scroll-filled library shelves visible behind, dramatic torchlight creating warm amber glow against cool desert night sky, deep indigo burnt sienna antique gold and dusty parchment color palette, Painterly digital art style, concept art for video game, front and back view with artifact details