Articulated pose of Mona Megistus in an elegant, flowing blue gown with gold trim and star motifs, capturing the Hydro adept's poised mystique. The figure features long, dark teal hair styled with accessories and a celestial headpiece, a translucent cape fluttering behind her, and a tiny hydro orb that glows softly near her hand. Her dress reveals layered ruffles and a dynamic silhouette that conveys motion, while her accessories—an astral belt, a starry sash, and printed runes—emphasize her scholarly, enigmatic personality. The base is designed with constellations and wave patterns to evoke tides and astrology.

Mona Megistus is a prodigious astrologer from Mondstadt who studies the stars to predict fortunes and steer fate. Despite her confident, sometimes aloof demeanor, she longs for recognition and acceptance as a true scholar. Her hydro abilities channel water with precision and elegance, enabling her to manipulate tides and conjure illusions tied to celestial events. In the world of Teyvat, her research often drags her into dangerous situations where she must balance secrecy with enlightenment. This figure captures her relentless pursuit of knowledge, her passion for the sea, and the humorous, stubborn courage that endears her to friends and rivals alike.