Sadake Uchiha Sasuke Uchiha, No. 1 Sasuke's Susanoo is the most powerful thus far, owing to the chakra he received from Rikudo Sennin. His Susanoo is also adaptable, since it may employ Sasuke's jutsu such as Chidori and Gokakyu no Jutsu. However, due to this reason, it is considered a risk because it makes him vulnerable. Also, since his goal is to kill Neji, this means that his Susanoo is not meant for battle but for assassination.
Now, there are two types of Susanoo: defensive and offensive. Defensive Susanoo is used to protect one from attacks; it does not aim to harm its opponent. Offensive Susanoo, on the other hand, is used to attack and destroy its target. It is important to understand the difference between these two types of Susanoo before you create your own. Also, be careful not to use your offensive Susanoo in battle, unless you are sure that you can win.
Now, when it comes to attacking with Susanoo, there are three ways one can do so: kenjutsu, ninjutsu and genjutsu. Kenjutsu involves using weapons made of metal or wood in order to cut down your enemy with your Susanoo. Ninjutsu, on the other hand, involves using magic to destroy your opponent's Susanoo.
Sadake Uchiha After Itachi Uchiha's death, Sasuke, unquestionably the strongest Uchiha of all time, obtained the Mangekyo Sharingan. His eyes bestowed Amaterasu's power and flame control to him. Sasuke also obtained the ability to utilize full-body Susanoo, which increased his power significantly. As well, he became able to read others' minds, a trait that was previously only available to Madara and Obito.
Now, with these new abilities, Sasuke is almost unbeatable. He even had a brief moment where he thought he could defeat Itachi, but in reality, Itachi used his own Susanoo to defeat him. There's no one else like him in existence right now.
However, there is one person who can match him point for point: Zetsu. The demon sword created by SasuNagi (Sasuke's nickname) has been giving its master strong arms ever since it attached itself to his body. In addition, Zetsu has also gained access to his brain through an opening between its blades. This gives it complete control over Sasuke's actions at any given moment. Even if Sasuke were to gain another mentor, such as Neji or Kakashi, they would have no influence over what Zetsu does.
As you can see, both Sasuke and Zetsu have everything needed to be the winner of this contest. It's really up to fate whether or not they will meet again.
Even with these enhancements, Sasuke was still not able to defeat Madara. He was only able to hold his own until he received help from Itachi.
Sadate Uchiha After Itachi Uchiha's death, Sasuke, unquestionably the strongest Uchiha of all time, obtained the Mangekyo Sharingan.
Sasuke has been shown to be stronger than both Kabuto and Zetsu combined. Even after being infused with Tobi's soul, he was still able to defeat him. This shows that even with Tobi's influence, Sasuke is still strong enough to be considered one of the strongest Uchiha alive today.
Now let's take a look at some statistics about the strength of different Uchiha.
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Because of its whole body shape, Hagoromo's Susanoo is the strongest in the series, capable of fighting on par with Kaguya's Ten-Tails form. Using chakra blades, it was even able to deflect one of the Ten-Tails' tailed beast balls. However, due to its size, it could only fight for a short period of time before needing to recharge.
Even so, this form still has great potential that hasn't been tapped into yet. With enough training, it could one day become the most powerful form of Susanoo.
Here are some scenes where Hagoromo's Susanoo is used against other monsters:
In the anime, when Nagato uses his Rinnegan to absorb the powers of the other Tailed Beasts and create a new stronger one called "Gemini" to combat Susanoo, Hagoromo uses his Susanoo to defeat it by striking its gemstone heart with all his strength. This causes it to collapse into dust.
In the manga, when Nagato uses his Rinnegan to absorb the powers of the other Tailed Beasts and create a new stronger one called "Gemini" to combat Susanoo, Hagoromo uses his Susanoo to defeat it by striking its gemstone heart with all his strength.