Board Thread:Naruto Discussions/@comment-7292165-20140929201636/@comment-25232476-20140929211421

Look at Itachi & Sasuke vs Kabuto. Sasuke used his Mangekyo on Itachi but he named his technique "Genjutsu: Sharingan". There is no Genjutsu: MS or Rinnegan. They are just improved forms of Sharingan, thus they just increase the power of Genjutsu: Sharingan. All of them is one simple technique.