Ukrainian Cossack Mamay sitting under an ancient oak tree at night, playing bandura, surrounded by faint glowing spirits in the forest shadows, crescent moon and scattered stars above, traditional embroidered shirt, shaved head with oseledets, long mustache, authentic 17th century clothing, carved wooden textures, deep mystical forest atmosphere, subtle fog, muted earthy color palette (deep indigo sky, desaturated greens, warm brown wood, soft amber highlights), folk mythology mood, detailed...