"I don't need a weapon! My friends are my power!"
Sora is the hero and main protagonist of the Kingdom Hearts series, as well as a wielder of the Keyblade. Sora is voiced by Haley Joel Osment in the English versions and Miyu Irino in the Japanese versions. He is an upbeat teenager who may seem simple minded at times, but is very aware of the importance of his quest. He possesses a strong sense of justice and an unrelenting heart. At times he is impulsive and quick to anger, but he is always sincere about what he says and does.
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Sora is fourteen years old at the beginning of Kingdom Hearts and Kingdom Hearts: Chain of Memories and fifteen during the events of Kingdom Hearts II. He lives on Destiny Islands with his best friends Riku and Kairi, and others including Selphie, Tidus, and Wakka. Sora, Riku, and Kairi wish to escape from the Destiny Islands, and find out what lies beyond. Sora is also the complete being of Roxas.
Basically he's the only person who can save everyone's Hearts. Even the one's who didn't exist.
They're praying to Sora. "We pray for our sorrows to end, and hope that our hearts will blend. There are different worlds, but they all have the same Sky."
"Sora" is Japanese for "Sky.