Mermaids, sirens, boulders and rocks, crashing waves, long brown hair, long flowing white dress, sheer dress, detailed shimmering clothes, beautiful blue water, mythology, mature woman, magical and mysterious grotto, hidden lake, dark ocean, fairytale illustration, style john william waterhouse, arthur hacker, john everett millais, beatrice offor, beautiful graphics, drawing, detailing, classical painting, detailed clothing, conjures a magic wand, trees, lotuses, water lilies, the moon, beautiful moonlight,