The Azur Lane - St. Louis figure is sculpted in a graceful, dynamic pose that suggests the calm authority of a seasoned commander. She stands on a round decorative base that evokes a ship’s deck, with a subtle ocean-blue gradient behind her. She wears a tailored navy-blue uniform-like dress with gold trim, white accents, and crisp cuffs, complemented by a flowing cape that catches an imagined breeze. Her long blonde hair falls in soft waves, with a delicate headpiece and anchor motif. Fine details—epaulettes, buttons, and miniature accessories—are intricately carved, while the paintwork emphasizes shading and a gentle patina to suggest age and refinement.

St. Louis is portrayed in the Azur Lane universe as a steadfast Royal Navy cruiser whose leadership style blends tradition with compassion. In storylines she guides younger ships with patience and a calm demeanor, seeking peaceful resolutions before resorting to force. She cherishes ritual—tea, conversation, and meticulous planning—and uses these habits to maintain morale during long campaigns. Her arc explores loyalty to friends, a sense of responsibility for the fleet, and a quiet confidence that grows through adversity. The figure captures these traits through a poised, protective stance and a design that honors her maritime heritage while hinting at a timeless elegance.