For this reason, most ninja cannot use the Chidori safely. If the user has a Sharingan, however, these drawbacks are overcome: the Sharingan's heightened visual perception prevents the tunnel vision from occurring and its predictive capabilities make it easy for the user to avoid counterattacks.

Does Sasuke need Sharingan for Chidori?

Chidori can be very well used without activating Sharingan. Sharingan is only needed to nullify the Tunnel Vision Effect and to save yourself from enemies counter-attack. But it seems Sasuke has a knack for both. Every time he resolves to use Chidori he lights up his Sharingan.

Why can't Boruto do Chidori?

No, Boruto had to learn his own sort of Chidori from someone who didn't rely on the Sharingan. ... Boruto is very adept with his nature chakra, and fans have seen him use lightning jutsu often. It isn't commonplace to see someone whip out purple electricity, but the high-level technique was created by Kakashi.