Maybe the entire episode is a first-person perspective with occasional birds-eye view suggesting it's an Eagle. Then late in the episode we see that we're seeing things from Thuringwethil's POV, kind of like in the original Halloween film's opening which is entirely from the perspective of...
Well, since the Siege has not yet been established, there’s more opportunity for Angband raiding parties to get to the rest of Beleriand. Maybe we show one raiding party after the Dagor Aglareb that doesn’t go through?
General Creative Content: How will the Noldor communicate with each other at long distances, ie to coordinate the Union of Maedhros in the years between Beren and Luthien and the Nirnaeth Arnoediad? Horseback? Raven?
How should Sauron be going about capturing Elves? There have been suggestions about who's in charge, I've indicated a preference for Sauron raiding settlements for questioning (and then later breaking).