Remember the time when the Sasuke could only use the chidori 3

Naruto: Sasuke's 10 Best Jutsu, Ranked By Usability

Remember when Sasuke could only use Chidori 2 times per day? And Kakashi could only use it 4 times? : r/Naruto

Who could use the Rasengan in one hand and Chidori in the other? - Quora

Why did Kakashi chidori have such a weaker destruction effect than Sasuke chidori when this version of Sasuke was so much weaker than Kakashi? : r/Naruto

Do you need a sharingan to be able to do chidori? - Quora

Naruto Online - Rasengan and Chidori are the ultimate

Kid Jonin Kakashi (without Sharingan) vs 3 Tomoe Sharingan Sasuke, who takes it? : r/Naruto

When Naruto and Sasuke were kids and they were fighting on the rooftop, was Naruto's Rasengan of a better quality than Sasuke's Chidori? - Quora

Kakashi Hatake, Narutopedia

If Chidori is inferior to Rasengaan, then why doesn't Kakashi use it more in the Naruto series? - Quora

Why does Sasuke say that Sarada can't do the Chidori without the two-tone Sharingan but Kakashi didn't even have the Sharingan when he first did it? - Quora

Why didn't Kakashi teach Naruto the Chidori technique instead of helping him with his training for the Rasengan technique? - Quora

Could valley at the end Sasuke completely win the Chunin exams by himself? : r/Naruto