Akiviri expedition- When the East Empire Company funds a expedition to Akivir you take part of it and you find yourself in the legendary land of the dragons with new world walls and a more sinister enemy the Tsaesciif you played the other games you might of heard of them on top of that a gate way in a Tsaescian temple thats a portal to Aetherius the the Immortal Plane. on top of that you find out Alduin was put on nirn to destroy it consume it's essence to bring back to Akatosh so Akatosh also known as Auri-El to the elves to become immortal again and expand his sphere of influence aka Time across the Aurbis being the universe. A little lore many people dont know is that oblivion isnt the universe in the elder scrolls it's a large section of the Aurbis ( Universe) another being Aetherius think of them as Dimensions hey so is Mundus. Nirn being a planet in the Dimension of Mundus an Artificial Construct of the Anu-Alined Spirits or Lorkhan to the Elves and Shor to the Nords and Sheor to the Cryrodills aka imperials. and as you know the other Anu-Alined spirits aka the eight divines. Anu vs Padomay or Sithis.... A great battle between the Aedra and Daedra at the End of the world. I call it the last
prophecy.