Personally I love the forests, in fact the first thing I am going to do (When I get a chance) is go wandering around for hours. Maybe do some hunting in the process.
So what about the rest of you? What about Oblivion do you love the most?
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The Sun and Moon transform day to night, but what transforms the mind? The best techniques are passed on by the survivors.
They have really hit the nail on the head for this game, there is so many ideas that have been put into the game that make you go "Wow, this game is just too good"