primordial alien world with ponds and lakes inhabited by large, mean frog-like creatures. lightning storm. generative ai

frog toad exoplanet extraterrestrial swamp wetland lake alien planet water lightning thunderstorm storm rain rainfall dark night marshland land dangerous gloomy mean angry creature animal reptilian big wildlife world grass plants sky primordial primitive glow landscape nature pool wet humid eerie mysterious scary species space discovery exploration universe black glowing science fiction ancient digital art