Hey Nonnie!
I suppose it is possible! However, here’s a thought I had: Dagor Dagorath itself is meant to be the return of Melkor from beyond ‘the door of night’ which frankly makes me think of one of those old lavvy doors with the crescent moon cut into it
sooooo, because all of his servants/cronies/hangers-on are p much defeated long before Melkor returns, I am not sure who it would be who was nicking Elves and twisting them. It would take a long long time to corrupt an Elf sufficiently enough to call them an Orc, I expect. And I don’t know that the newly-returned Melkor would have leisure, what with the whole Ragnarok business.
There’s also the notion that by Dagor Dagorath, all the Elves would have sailed for Aman (or dwindled and disappeared) and so would be under the Valar’s far more direct protection…? Eh.
IDK, those are only some ideas, and no doubt there is more to consider that I can’t think of rn and dun wanna research (I am being tired and grumbly tonight, don’t mind me). Still – don’t let anything I have blabbed about stop you! WRITE THAT DAGOR DAGORATH ANGST FIC, ALL THE ELVES-TO-ORCS, ALL THE TEARS, YESSSS, TO HECK WITH IT.
my kingdom for Morgoth being in the loo all that time, hahahaha