Aqua

Personality. Aqua is the most headstrong of the trio of protagonists in Birth by Sleep. She displays true elegance while fighting, and will do anything to protect her friends. Aqua is also shown to be very sociable with children, quickly befriending Kairi, Sora and Riku.Aqua from Kingdom Hearts has a number of abilities, including:Protective spell Aqua cast a protective spell on Kairi's necklace in Kingdom Hearts Birth by Sleep, which led Kairi to Destiny Islands.Keyblade inheritanceKairi inherited Aqua's Keyblade after accidentally touching it while Aqua's Keyblade was nearby. Aqua is a strong woman who is willing to sacrifice herself for the greater good. She is not a perfect heroine, but rather a determined and selfless character who is willing to do what it takes to save the world.