"This has gone on long enough!" His patience had finally snapped, and he was given no other alternative. His eyes closed and when he opened them, a deadly pattern cloaked the normally stoic obsidian hues.
"I may not be as good in Genjutsu like my brother, but as weak as my Tsukuyomi is, it will have to do. If I must do this then I have no other choice!" He closed his eyes once more, biting his lip as blood started to pool before reopening.
"You BOTH will forget EVERYTHING! You will forget who the other is as if you had never met!" The Sharingan, let alone the Mangekyo, could not repair or rewrite memories. However..He was not thinking of such notions. He simply wanted the two to stop fighting. If he had to lock them in a genjutsu until his eyes practically popped out of their sockets just to make them stop, he would.