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This already infamous page shows Itachi using Tsukuyomi on Sasuke. That's right, Tsukuyomi, the mangekyo genjutsu that had the ability to place someone in an illusion that may seem like days when only a second had passed. The same genjutsu that was just used on the Sauce.
I know many of you think the same but my theory is that their talk already happened in this short span of time. The next thing that happens is both of them stabbing Kabuto with Susano'o. "Okay Sasuke, Kabuto is coming lets stab him as soon as I end the Tsukuyomi and I will activate Izanami..." then the chapter proceeds from there. Just a thought really.