You cannot in Elder Scrolls 4, I'm concluding in Elder Scrolls 5 you will be able to take over as emperor.
The Blades are in charge of the safety of the emperor.
You never become an actual god in Oblivion.
no
you cannot but you can become a blade
The Mythic Dawn assassin Kingston Marsh, who was killed immediately afterward.
its a spell when the emperor asks you what stars you where born under say the lover or the lady one of them
No, you are not a dragon in Oblivion, nor can you become one. You might be thinking of Divinity 2: Ego Draconis.
you cant in oblivion without a mod
no
you need to download a mod in order to do that. you can only download mods for Oblivion if it is on your PC
The 'Oblivion Crisis' was the failed invasion of Tamriel by Mehrunes Dagon, one of the Daedric princes. His worshippers assassinated the emperor and his heirs, breaking the barrier that prevented a daedra incursion into Mundus (the material plane). The hero in the Oblivion game, located the emperor's last heir, which lead to the defeat of Mehrunes Dagon, though the septim bloodline was now ended, causing a period of turmoil and ending the 3rd era.
finish all the deidric shrine missions