Sarada needs the Rinnegan if she wants to scale up to the stronger enemies in Boruto. She could obtain this power.

Sasuke could finally regain his Rinnegan in Boruto. This power up could allow him to compete with other characters.

Sasuke Uchiha managed to awaken the Rinnegan in the Fourth Great Ninja ... Sasuke had already awakened the Eternal Mangekyo Sharingan. However, this wasn't enough to take him down.

Sarada Uchiha gains significant power ... Speculation suggests Sarada may surpass Sasuke through a powerful Mangekyou Sharingan or even Rinnegan. After the conclusion of the Naruto series, Naruto ...