Board Thread:Naruto Discussions/@comment-28939725-20161130005052/@comment-25122992-20161130100500

Lorenzo.r.1st wrote: they are all related to the number "3" Not really. Sasuke's and Shisui's MS, as well Indra's one (from the manga) prove that the MS pattern isn't always based on 3 Tomoe of the usual Sharingan.