Aqua is one of the main protagonists of Kingdom Hearts Birth by Sleep. She is also the protagonist of Kingdom Hearts 0.
hearts aqua Kingdom
Xigbar and Xemnas reappear within the nightmare to taunt him and lead him into despair by explaining the inevitability of their plan and playing on his insecurities, but a defiant Sora proclaims that while he may not have been chosen by the Keyblade, he will always be proud to be there for his friends, including Aqua and all the others. However, the two are accosted by Ansem, Seeker of Darkness , who has need for Ansem the Wise's knowledge. While unconscious, she reminisces about the first starry night she spent with Terra and Ventus. Seemingly unshaken by this, she presses forwards and encounters several Shadows , Neoshadows , and Darkballs.
After a difficult and hard-fought battle, Sora is able to completely purge the darkness Ansem had corrupted Aqua with from her body, restoring her to normal, but she collapses onto the Dark Margin's ocean surface and sinks underwater, only for Sora to dive after her to rescue her from oblivion and bring her back to the Destiny Islands. In Deep Space, Aqua learns from Dr.