Kaguya's sharingan

[BenjerminGaye]

Stop stating the obvious about me-I already know all that... But that begs the question: Why haven't any uchihas shown a sharingan above 3 tomoe?

The true question is why you didn't ask that in your original post.

And the answer to your question resides in how the sharingan upgrades

 

[BlinkST]

Kaguya had all three eyes, From the legendary Rinnegan to the Byakugan

1. The Nine tomed Rinnegan + Sharingan
2. Byakugan in both eyes..

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The third eye was called her Sharingan; the Sage never mentioned anything about the Rinnegan.

 

[Xāvî1]

The third eye was called her Sharingan; the Sage never mentioned anything about the Rinnegan.

it is said that she had the power of the sharingan, the third eye is not called the sharingan. read the manga again.

and how did you think kaguya with just a pair of byakugan and a 9 tomoed sharinga maker her stronger then SO6P. She obviously had the rinnegan. that third eye is the juubis eye it is the combination of a powerful sharingan and the rinnegan..

 

[patrickscott]

Think of her as the Goddess of fighting itself. Her third eye is identical to the ten tails' one. Yes it is the strongest sharingan ever awakened.