[ Kakashi's certain that Naruto will triumph, as he always does, because he's Naruto, and he has all the hopes and dreams of shinobi, of his friends, to support him along the way. But what pride might come with that knowledge is tempered by the fact that the man they are fighting is Obito. By the fact that Kakashi is every bit as responsible for the events that had transgressed in such a terrible way as Obito himself, if only because he had failed Obito in the worst way possible. ]

There's something that I think you should know...

[ Kakashi says after a moment, taking a slow breath. ] Obito was once my teammate.