Naruto and Sasuke lost their arms at the end of Naruto. This moment is iconic, and Kishimoto reveals why this happened.

Sasuke played a crucial role in saving the world & attained the power of the Sage Of Six Paths. The Uchiha clan's tragedy fueled Sasuke's strength & led him to surpass Madara Uchiha. As an adult ...

This is yet another feat of his that is comparable to the Sage of Six Paths ... Madara Uchiha, in a way, and also defeated ...

Hence, the bright idea of dissecting and then ranking the most powerful jutsus in Sasuke Uchiha's rather sensational ... number one unpredictable ninja's Six Paths: Ultra-Big Ball Rasenshuriken ...