The Naruto anime introduced a stunning variety of characters over time, giving the entire franchise an ensemble cast for fans ...

Naruto is sealed by Kawaki, losing his power and leaving fans eagerly waiting for his return. Sasuke's increased strength ...

It is all centered around the idea that Naruto Uzumaki might not be sealed yet ... he couldn't save the person who made him strong, Sasuke Uchiha, as a Claw Grime absorbed the Uchiha clan member.