Were there no other Mangekyo Sharingan users in the Uchiha clan, or at least anyone who could put up a decent fight against Itachi and Tobi? - Quora

What did Obito teach Itachi? - Quora

Which was the most dangerous Mangekyo Sharingan? - Quora

Were there no other Mangekyo Sharingan users in the Uchiha clan, or at least anyone who could put up a decent fight against Itachi and Tobi? - Quora

Why did Obito help Itachi to slaughter Uchiha clan? - Quora

Did Itachi really think that Tobi was Madara? - Quora

How strong is Sick Itachi? - Quora

Isn't Itachi a horrible person? He killed innocent Uchiha who were kids but selfishly spared his brother. - Quora

How can someone beat a Sharingan user? - Quora

Could Might Dai have annihilated the Uchiha clan? - Quora

Why was Itachi giving information about the Mangekyou Sharingan to Sasuke? - Quora

Did Itachi Uchiha ever get to know that Tobi was actually Obito Uchiha and not Madara Uchiha? - Quora

What are some of your unpopular opinions about the Uchiha? - Uchiha Clan - Quora

Were there no other Mangekyo Sharingan users in the Uchiha clan, or at least anyone who could put up a decent fight against Itachi and Tobi? - Quora

Why didn't Itachi unlock the eternal Mangekyo Sharingan? He killed his parents and half the Uchiha clan. - Quora

Why did Obito want Zetsu to record the fight between Itachi and Sasuke? What was he planning to study? - Quora