Board Thread:Versus Debates/@comment-31338621-20190129080042/@comment-9782468-20190207172227

Just like you could barely see Itachi in the final panel, Sasuke was blinded by the light and wouldn't have noticed Susanoo. He also wasn't too focused on what Itachi was doing, because Itachi wouldn't be able to dodge it. He just had to guide the lightning to him.