Board Thread:Versus Debates/@comment-3965545-20150831031332/@comment-734582-20160210183035

Ninja Of War wrote: If I recall correctly, Obito wasn't even fazed when Kabuto showed him the reincarnations he had at the mountainous graveyard Obito believed that if necessary, he could defeat Kabuto and simply use Sharingan to force him to stop it.

He also wasn't shocked by Madara's Edo because of it's power, but because it would mean that kabuto might know his secrets.