Board Thread:Versus Debates/@comment-44916514-20200123204114/@comment-34656247-20200201163452

UltimaDude wrote: Except you can prove that Itachi would use Tsukuyomi and/or Amaterasu because there's precedent for it. He has use both of those techniques quite a few times over the course of his on-screen confrontations. I was referring to the need of you going off case, but that's irrelevant. I can't prove that he would use tsukuyomi or amaterasu against Madara, because he never fought Madara whilst alive right? your logic.

Your premise is extremely weak. Otherwise, why didn't Itachi use Koto on either Pain or Obito? Also, this is a hypothetical fight where the motive of the combatants is to simply win.
 * UltimaDude wrote: Too bad he has never used it while alive, therefore it's a non-factor here.
 * If he used KOTO on Obito, pein would still continue, and vice versa. Or plot. Choose one.
 * Making it more of a reason for him to use the jutsu.