First of all kabuto is not a dragon. He is in sage mode. Naruto never used frogs just toads. So snake=dragon frog =toad Is wrong. Kabuto's word " I'm a dragon now " not I'm in dragon sage mode. Sasuke called him an imperfect snake like oro he replied " the perfect force of nature helped me shed...
First tobi's plan involves all the tailed beast and there are only 8 and half of kurama.so there maybe a mistake in his plan. I think someone needs to get the other half of kurama out of the death reaper seal and I think maybe orochimaru planned to retrieve his arms from within the ddrs because...