Slavic mythology water spirit "Vodyanoy" - an old man with green skin, long wet green beard covered with algae and river mud, bulging frog-like eyes, long clawed fingers, body covered with scales and water plants, sitting on a mossy river stone half submerged in dark murky water, surrounded by water lilies and reeds, mysterious foggy swamp atmosphere, dramatic lighting with moonlight reflecting off the water, detailed fantasy illustration, dark moody colors, Slavic folklore art style
