Madara Shows His True Worth!! (マダラの真骨頂!!, Madara no Shinkotchō!!) is chapter 475 of the Naruto manga.
Gaara leaves the Konoha ninja. Before he goes he informs Kakashi that he and the other Kage will treat Kakashi as the new Hokage because of Danzō's actions, and he repeats his recommendation for Naruto give up on Sasuke. Elsewhere, Danzō prepares for a battle with Tobi. While he does so, Fū Yamanaka and Torune fight Tobi, but are unable to strike him. They try to hit him at a time when he is solid, but their attacks pass through him and they are ultimately sent away. With them gone, Tobi brings Sasuke and Karin to Danzō, offering to let Sasuke kill him. Danzō accepts the challenge, revealing an arm filled with Sharingan.