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I am not sure on whether you need to just see the object you want to cast it
on, or if there must be a physically clear path to it.

Can the Amaterasu go through windows?


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2018-07-24T23:03:44.597
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2018-07-25T02:08:19.103
2018-07-25T02:08:19.103
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question
naruto
Can Sasuke's Amaterasu go through windows?


Yes, Amaterasu can pass through clear glass.

To quote the [wiki](http://naruto.wikia.com/wiki/Amaterasu)

> Amaterasu produces black flames at the focal point of the user's vision. \-
> _chapter 390 page 3_

The focal point of a users vision is located at the back of the on the retina
as seen on the image below.

This means that whatever is being 'seen' by a user at that time, will be cast
ablaze. Comparable to how you can either focus on something beyond a window,
or if the window is dirty, the window it self.

[![enter image description
here](https://i.stack.imgur.com/SiNH1.jpg)](https://i.stack.imgur.com/SiNH1.jpg)


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2018-07-24T23:20:35.180
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2018-07-24T23:20:35.180
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answer