>>7940837>elves at Helm's Deep>increase orc army at Minas Tirith to around 200k>ghosts on Pelennor fields dealing actual physical damage>character changes to Denethor>Gandalf beating up Denethor and nothing happens because of itJust to name a bit more.
And then there's the shit that they first intended to do. Like Arwen showing up at Helm's or Aragorn fighting with Sauron at the Black Gate. That they even considered that is beyond me.