This is the most radical part of the "death episode":
Itachi Uchiha explains Izanami as a jutsu designed to punish those who have “altered their own destiny” through forbidden powers (like Kabuto’s Sage Mode and reincarnation). But the deeper meaning is this: Izanami forces the victim to accept their own flaws. It traps the user in a loop of sensory events that they must relive until they acknowledge the truth of their own heart. kabuto death episode
In the end, Kabuto Yakushi dies the same way he lived: quietly, in the dark, surrounded by ghosts. But unlike before, he finally knows who those ghosts are. This is the most radical part of the
Kabuto represents the third option:
The Kabuto we meet in Naruto is not a person; he is a mask. Orphaned by war, he was recruited by Nonō Yakushi (the head of an orphanage/spy network) and Danzō Shimura. The tragedy of Kabuto is the tragedy of a child forced to kill his own mother figure (Nonō) to protect his cover. After that moment, Kabuto made a conscious decision: If I cannot know who I am, I will become everyone. In the end, Kabuto Yakushi dies the same