Board Thread:Versus Debates/@comment-44916514-20200123204114/@comment-9782468-20200207043946

@Jason how would a seal differntiate between Obito's SHaringan and Kakashi's Sharingan? They're both just 3 tomoe. And yet Itachi planted Amaterasu in Sasuke to only react to Obito's Sharingan. You're taking the visible pattern too seriously, it's obvious that they're identified in other ways.