[Anguirel]

I reassure you (sort of) that whatever you do, you will probably not succeed in stopping the marriage of Beren and Luthien. I do realise that my Celegorm/Luthien wish is pretty unfeasible, and Beren and Luthien (unless you're especially ingenious!) will end up together.

You can't have the Silmarillion without the Silmarils, so if Morgoth were to be evicted, they would not follow him. I have a fate planned for them actually in such a case, but let's keep it a surprise...