Board Thread:Theories and Speculation/@comment-27717552-20160513151229/@comment-25093611-20160514152628

JouXIII wrote: Correction: Chidori was result when Kakashi failed to add Lightning Release into Rasengan. Naruto was the first person ever to combine Nature Transformation with Rasengan, something that Minato(creator of Rasengan) couldn't do. to be fair, he died before mastering it, it isnt like he would be unable to do it if he needed to :)