Board Thread:Theories and Speculation/@comment-25139119-20150807165411/@comment-26424744-20150811104948

@Elveonora, Hagoromo used Creation of All Things to make the Tailed Beasts, Creation of All Things requires Six Paths Yang & Yin Chakra to use, Naruto only has Six Paths Yang Power. Meaning he used a different jutsu to create Kakashi a new eye.