User blog comment:Godisme/Everything But The Rain/@comment-28861328-20130307061758

That sidenote kinda throws a kink in the quote by your favorite character, doesn't it? "You are the son of a Human and a..." then Isshin appears clad in Shinigami gear.

Chapter 398 completely invalidates the note. Completely.

Not to mention, never once in the manga, nor anime, was it ever said Isshin got a gigai, that he lost his powers, nothing. They're all assumptions. Prove to me he lost his powers. Anyone? That he had a gigai? Hm? Thought so. Ichigo is a Shinigami. Thus, why he had latent Shinigami powers. Zangetsu himself said it when Ichigo was training in the shattered shaft. THAT was clearly shown. I'll reference you chapter in page.