Plunder

The raising of the Shinobi World's power ceiling did not benefit only the Uchiha Clan; it was simply most apparent in the Sharingan.

In other areas, such as the difficulty of performing ninjutsu, chakra consumption, and control, many constraints were gradually being lifted.

"Centuries of war, along with the sacrifices of the Senju Clan and the Uchiha Clan that rose to prominence during those years, gave rise to First Hokage Hashirama Senju's powerful Wood Release Sage Technique and Madara Uchiha's Mangekyō Sharingan. The three great wars that swept across the entire Shinobi World, the destruction of the Kaguya Clan and the Uzumaki Clan, and the extinction of the Senju Clan gave rise to the Mangekyō Sharingan of Shisui Uchiha, Itachi Uchiha, and Uchiha Obito. After Uchiha Obito and Itachi Uchiha exterminated the Uchiha Clan, the Mangekyō Sharingan of the remaining Uchiha grew increasingly powerful as well."

Setting aside Madara Uchiha's direct ascension to the Rinnegan, all manner of miraculous ocular techniques had emerged one after another—so-called "strongest genjutsu," "strongest Fire Style," and the like. Even a secret technique like Kamui, which appeared to be a space-time ninjutsu but was actually the prototype of creation itself, had appeared.

By comparison, what had Madara Uchiha's Mangekyō Sharingan secret technique been several decades ago?

No one knew. It was probably not as powerful as any of these so-called "strongest" techniques.

Before Itachi Uchiha died, he had used a Complete Body Susanoo, along with the divine artifacts Totsuka Blade and Yata Mirror.

Just how powerful was the sole remaining Mangekyō Sharingan of the last Uchiha, Sasuke Uchiha?

From Susanoo's initial form, first form, second form, third form, all the way to its fourth form; from the Sage Technique form that had never even been heard of before, to Majestic Attire Susanoo, and then to