

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. Against a formidable opponent, it is
fairly understandable to use both to avoid any chances but why such extra
precaution against a simple rock? It's not like Sharingan is for free, we're
all aware of the considerable chakra cost for the red eyes then why does he
need to do it?

I've noticed it now twice, in Boruto

  * Episode 61
  * Episode 157

**Why did Sasuke need to activate Sharingan to blow up the stationary boulder
using Chidori?**

[![enter image description
here](https://i.stack.imgur.com/7D41F.jpg)](https://i.stack.imgur.com/7D41F.jpg)


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naruto
Why did Sasuke need to activate sharingan to perform chidori?


Very simple, without vision chidori isn't efficient, Sasuke and all users
can't hit their opponent, and they're an easy blank for them. That's
explaining by Kakashi and Minato in the Manga and Anime. That's the same with
the rock, he needs to verify no one is on the road, and verify no one is
trying to hit him.

Source: [Chidori](https://naruto.fandom.com/wiki/Chidori) (Overview - Second
Paragraph)


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answer