The series features a diverse cast of allies and antagonists:
: Critics from platforms like IGN and CBR offered mixed reviews, often lauding the early "classic adventure" feel but criticizing the rushed pacing and "convoluted" theological ending.
: The series culminates in a supernatural twist where Fena is revealed to be the "Maiden of Choosing"—a descendant of Joan of Arc tasked with either preserving the world or resetting it. Fena: Pirate Princess
: A specialized crew including Shitan (archer), Karin (technologist/sniper), and twins Enju and Kaede (spear-wielders).
: The series is widely praised for its high production values, with fluid animation by Production I.G and a sweeping soundtrack composed by Yuki Kajiura . The series features a diverse cast of allies
: An all-female pirate crew led by Grace O'Malley , who initially pursue Fena for bounty and treasure. Production and Critical Reception
: An optimistic, silver-haired 18-year-old who inspires deep loyalty despite her lack of combat skills. : The series is widely praised for its
: A high-ranking Royal Navy officer and the primary antagonist, driven by an obsessive love for Fena's late mother, Helena.