I 100% adore the Lord of the Rings movies, but the fact is that the Arwen-Is-Dying-Because-Ring-Magic plotline makes zero sense by the lore (if Iām wrong please correct me Iād love to learn). Donāt get me wrong, it works great for the movie, brilliant, in fact, but it doesnāt really make much sense in book logic. Why would Arwenās fate be tied to the Ring? If sheās mortal now she canāt Fade, and if sheās still Elvish thereās no reason why it should affect her more than anyone else.
BUT, I was watching the extended scene where Aragorn looks into the Palantir and Sauron speaks to him in Black Speech and shows him pictures of a dead Arwen and smashes the Evenstar (Which is a whole other The-Books-Call-Bullshit shebang), and I came up with my own in-universe explanation.
Sauron: *Chilling in Mordor*
An Orc of some kind: My Lord Mairon (Because THAT is what they would call him), the spies have come back from Rivendell.
Magic Evil Spy: *Shows Sauron the image of a mortal man of the race of Numenor making out with an Elf lady who looks suspiciously familiarā¦*
Evil Spy: Indeed, Master. The Heir of Isildur lives.
Sauron: Get rid of her, now.
Evil Spy: Right away, Mast- her?
Sauron: Yes! Yes yes yes, I donāt care what it takes, get her out of here.
Evil Spy: My Lord, but surely, Isildurās heir-?
Sauron: Do not harm that man, you hear me? Do not lay a finger on him until she is taken care of.
Sauron: Yes, yes, a dog, a big one.
Spy: Not that I could see, no.
Sauron: Oh well thank Eru for that, at least.
Spy: Are you feeling ill, Master?
Sauron: No, and Iād like to keep it that way. Arwen annihilation is priority number one, ok? And donāt you lay a finger on her man until I say so, got it?
Sauron, still looking at the image: HEāS GOT THE RING OF FELAGUND!!!
Sauron: KILL HER KILL HER KILL HER KILL HER KILL HER RIGHT NOW!