fantasy fairytale story, hybrid great leviathan, cybernetic turtle, cephalopod reptilian pachyderm, squid terrapin, cthulhu, magical universe, cozy, hot springs, cave, forest, candlelight, natural light, lush plants and flowers, mountains, luminous stellar sky, celestial fantasy, atmospheric lighting, hyper realistic, golden hour, jessica rossier, michael cheval, michael whelan, unreal engine