Translation: Nine-Tailed Rasengan.
Hand Seals: None.
Description: Naruto forms the Rasengan while in his one-tailed form. He uses the Kyuubi's chakra shield as a shell and molds his chakra within it, allowing him to create a Rasengan without the need for shadow clones. In the anime, this Rasengan is blue with a red outer shell, giving it a more purplish color. In the second movie, the Rasengan is orange and in the video games, it's red. It is also much more powerful than the usual Rasengan, due to the Kyuubi's chakra.
Based on: Rasengan.
Users: Uzumaki Naruto.