Pricey
Central Defender
Skyrim came after oblivion, not before. It's set about 300 years after the events of Oblivion iirc.
"A Strange door" doesn't take you to Skyrim, it takes you to the Shivering Isles. The Shivering Isles are the realm of the daedric lord Shergorath.
I see, thanks.
I'm a bit of a newbie, can you tell