User blog comment:B214/Question & Answers 5/@comment-82.199.211.135-20151105194557/@comment-24098614-20151105204316

Youjutsu are referred as the Demon Arts by definition, and it is a excusive Youkai talent in the case of Kuroka she uses Illusions to hurt or kill people because Youjutsu is quite deadly when used by someone that is skilled in these arts she can create something similar to the Shadow Clones that Naruto is famous for.