Board Thread:Theories and Speculation/@comment-45510280-20200416210937/@comment-39350828-20200426001741

Squinty97 wrote: Also, he tried to kill Obito with Amaterasu through the transcription seal. If he can kill with Tsukuyomi, why not just seal Tsukuyomi in Sasuke's eye to kill Obito? FlatZone wrote: That just seems to be another plot thing considering Obito couldn't Kamui his way out of Tsukuyomi, while with Amaterasu the viewers can be more amazed/baffled about his "secret" saving him again and how it works. or

1. He didn't think it was necessary. Obito implied itachi expected amaterasu to kill him.

2. He might not have had enough chakra