Raiton: Shiden is a better Raikiri. Kakashi lost his Sharringan and because of that had to make another move that could fill out the handicap.
Raiton: Shiden was the result.
But not only has Kakashi just filled the tunnel vision problem with Raiton: Shiden, he has also optimized and tuned the move to fix all of the Raikiri short comings that he has experienced through battle.
Likely colour could be changed too, via output intensity, OVERALL a more optimal jutsu.
Sasuke has KIRIN and Raiton: Shiden completes it.
Basically he could learn it and make it blue lightning or whatever he wants it to be.
Also Kakashi likely has more up his sleeve with Purple lightning, as time goes on.
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Raiton: Shiden was the result.
But not only has Kakashi just filled the tunnel vision problem with Raiton: Shiden, he has also optimized and tuned the move to fix all of the Raikiri short comings that he has experienced through battle.
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NOT NEEDED
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Sasuke even uses seals when he has only ONE ARM...
Output can be tuned easily and quickly as we saw via the NUE, against Mitsuki and then against the academy students.You must be registered for see images
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Likely colour could be changed too, via output intensity, OVERALL a more optimal jutsu.
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Ability to use other current based Chidori/Raikiri moves.No stress for the user unlike part 1 chidori/rakiri
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Sasuke has KIRIN and Raiton: Shiden completes it.
This technique was powerful enough to summon rain clouds when shot into the sky.
Basically he could learn it and make it blue lightning or whatever he wants it to be.
Also Kakashi likely has more up his sleeve with Purple lightning, as time goes on.