Rasengan versus Chidori(a thousand bird) which rivals which? very interesting topic that i have always wanted to write on. Now in terms of ranking in Konoha(the hidden leaf), Rasengan and Chidori are “A” ranked jutsus.

The Rasengan was invented by the fourth hokage (Minato Namikaze) and was said to be a very powerful jutsu while Chidori on the other hand was invented by Kakashi Hatake. the rasengan is a ball of chakra while the chidori is Lightning formed from chakra.

Now, i know you guys would be thinking between rasengan and chidori, rasengan is formed through their power source(chakra) while chidori is gotten from the power source so rasengan should be more powerful right? well no. now ill give my reasons

get info @ https://animegods.net/rasengan-versus-chidori-which-is-stronger/

Rasengan ohhh. Days after the Chunin exam where orochimaru used the Sand to attack Konoha, before Sasuke defected from the village, him and naruto tested out which one was stronger but Dey didn't get to really see it cos kakashi came and stopped them both. They both hit water tanks and the Damage caused by Naruto's Rasengan was substantially Greater than sasuke's chidori. Not just that. Naruto destroyed Kakuzu on a cellular level with his rasengan while Kakashi only killed 1 heart with his chidori.

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acenazt:
Rasengan ohhh. Days after the Chunin exam where orochimaru used the Sand to attack Konoha, before Sasuke defected from the village, him and naruto tested out which one was stronger but Dey didn't get to really see it cos kakashi came and stopped them both. They both hit water tanks and the Damage caused by Naruto's Rasengan was substantially Greater than sasuke's chidori. Not just that. Naruto destroyed Kakuzu on a cellular level with his rasengan while Kakashi only killed 1 heart with his chidori.

Rasengan na atomic bomb, while chidori na electric shock