Rainbow Angel

The Rainbow Angel (レインボーエンジェル) is a powerful legend from Skyriver. It is said to have guarded the Skyriver in anicent times and fought the evil, like the Pretty Cures do today. In The Final Sky Pretty Cure, all eight Sky Pretty Cures become the Rainbow Angel to defeat Catastrophe forever.

Description
The Rainbow Angel is the greatest transformation of all eight Pretty Cures. The Angel appears in white light with long, golden hair and golden eyes. The Angel wears a rainbow colored crown and a beautiful dress with all eight colors of the Cures.

History
Rainbow Angel lived in the time when Catastrophe ruled the known worlds of this universe. She wanted her family and friends to have a normal life, to live in freedom. So she gained to power of the seven color rainbow from her heart and transformed into Rainbow Angel. After she defeated Catastrophe, she gave her rainbow powers to the royal family of Skyriver and got back to Feather-Castletown to be with her family.

Japanese
Sky Pretty Cures: 集まれ、世界のカラフルな星！

Cure Crimson: 情熱的な赤い虹！

Cure Saffron: 強力な黄金虹！

Cure Sienna: エレガントなオレンジ虹！

Cure Cyan: 自然の緑虹！

Cure Azure: 才能の青虹！

Cure Whitney: スマートの銀虹！

Cure Heather: 素敵なピンク虹！

Cure Lavender: 夢のようなへパープル虹！

Rainbow Angel: 美しい羽は輝く上みんなの愛！私意志守るみんなです！

Romanization
Sky Pretty Cures: Atsumare, sekai no karafuruna hoshi!

Cure Crimson: Jōnetsu-tekina akai niji!

Cure Saffron: Kyōryokuna kogane niji!

Cure Sienna: Eregantona orenji niji!

Cure Cyan: Shizen no midori niji!

Cure Azure: Sainō no aoniji!

Cure Whitney: Sumāto no gin niji!

Cure Heather: Sutekina pinku niji!

Cure Lavender: Yume no yōna e pāpuru niji!

Rainbow Angel: ''Utsukushī hane wa kagayaku ue min'nano ai! Watashi ishi mamoru min'nadesu!''

Translation
Sky Pretty Cures: Gather the colorful stars all over the worlds!

Cure Crimson: The passionate red rainbow!

Cure Saffron: The powerful golden rainbow!

Cure Sienna: The elegant orange rainbow!

Cure Cyan: The natural green rainbow!

Cure Azure: The talented blue rainbow!

Cure Whitney: The smart silver rainbow!

Cure Heather: The lovely pink rainbow!

Cure Lavender: The dreamy purple rainbow!

Rainbow Angel: The beautiful wing shining over everyones love! I will protect you all!

Trivia

 * The Rainbow Angel is somehow similar to Infinity Silhouette.
 * It's possible, that her civilian name was Koseki Shinju (虹石 真珠), while Koseki (虹石) means "Rainbow Stone" and Shinju (真珠) means "Pearl".
 * Catastrophe calls her always "Princess Angel" (エンジェル姫).
 * Some legends tell that Rainbow Angel was in love with Catastrophe, this might be one reason why Diamond and Low fell in love. But these are just rumors.