You knew Itachi was sick and that's why you told him to stay home and let you take care of him. But there, you found Itachi who was fighting Sasuke, seeing Itachi who couldn't last much longer because of his condition and the situation. From behind, you silently supported him with your jutsu, because you knew this fight wouldn't end so easily, and you knew who would lose if you left it like that. Itachi raised you from death a thousand times, and you thought this could be your repayment for him