User blog comment:Tutles/Prologue to Chapter 272: The Noble Loser Review/@comment-2106167-20120224154908/@comment-3174518-20120224161357

hmm...I don't think that just because Naruto had a black flames technique doesn't mean that it's their idea. Zancrow's magic is just flames that were purple-ish/ black. nothing really close to Amaterasu.