[Annalaliath]

You will always have evil, even in Middle_Earth. Because the evilin the world is not only through melkor and his servants it is in the hearts and minds of the Children of Iluvatar. He gave them free choice, In a matter of speaking, and so when it comes to it they could do what they wanted. There could be a tyrent that rose up after Souron and there also could have been just a lot of other things and people that were evil. The only thing, I think, that could truly destroy evil was Iluvatar. But who knows....