Board Thread:Naruto Discussions/@comment-24824148-20160724215526/@comment-25271914-20160725144308

JOA20 wrote: Most likely Obito didn't show any blindness problems because he had Hashirama's cells embedded in his body. Didn't think of that and it really makes sense. Thanks you just filled a plothole. Ravenlot 27 wrote: Although it's somewhat out of topic, I don't think that Shisui, the Mangekyo original owner, had this limitation of "once per decade". Rather, it was the limit of the crow which possessed Shisui's left eye. It's a crow after all, it wasn't even supposed to use techniques. So it's hardly possible that Shisui was limited by the same rule as this crow. He likely had some limits in Kotoamatsukami usage anyway, but surely not this one per 10 years rule. I'm sure this might true as well.