Yes you can, it requires the knights of the nine addon to be installed. Retrieving the Dagger is one of the extra quests.
Defeating Mehrunes Dagon will close the Oblivion Gates, but you could still visit Oblivion afterwards if you do Peryite's daedric quest.
folow the main quests and eventually shut down the main portal to oblivion. Not to mention defeating Mehrunes Dagon.
The events of Oblivion take place at the very end of the third era - the banishing of Mehrunes Dagon is considered to be the beginning of the fourth era.
Mehrunes Dagon gets through to the imperial city and Martin Septim sacrifices himself and turns into akatosh (the divine god of time I believe). Akatosh kills Mehrunes Dagon and you get imperial dragon armor for helping out.
there are no dragons in oblivion but on the PC you can download them from the internet there are no dragons in oblivion but on the PC you can download them from the internet
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.
Right at the end once you've gone through Mankar Camorans paradise and retrieved the Amulet of Kings. Mehrunes Dagon will attack the Imperial City. Wabajack can destroy him instantly for soem reason...
Steam has it.
2006
Mehrunes Dagon has 1000HP, but can't be killed under normal circumstances, physical blows simply stagger him. There is a way to kill him though, by hitting him with the Wabbajack obtained from Sheogoroth's deadric quest and then you can kill him because now his statistics will have been replaced with those of a random monster.
No, oblivion only comes for PS3, PC and Xbox 360.
Buy it and install it, there is no free and legal Oblivion download.