Captured in a poised, regal pose, the Princess Mercury figure radiates the refined charm of Bandai Spirits' Q Posket line. The sculpt highlights delicate facial features, a soft, serene expression, and Mercury’s signature aquamarine hair arranged with graceful volume and subtle shading. The outfit blends the familiar Sailor Moon Eternal styling with a regal touch: a flowing gown-like silhouette, precise line work, and glossy paint to emphasize her royal presence. The translucent accents and metallic detailing evoke her water-based powers, while light reflections on the outfit enhance depth and visual appeal from every angle.

Princess Mercury appears as the strategic heart of the Sailor Guardians in the Gekijouban Sailor Moon Eternal narrative. As the royal successor, she carries the responsibility of protecting her world while remaining true to her analytical, compassionate nature. Her powers of water manipulation and water-related attacks symbolize clarity and purification as threats loom from the surrounding dark forces. In battles and delicate diplomatic moments, she uses calm judgment to guide teammates, offering rational plans and steadfast support. Through friendships, rivalries, and moments of sacrifice, Mercury evolves from a trusted ally into a symbol of courage and grace for the newer generation of Sailor Guardians.