There are a lot of new enemies in Cyrodiil that will be a challenge to overcome. Oblivion gates are stronger, the wilderness is more dangerous, and most people you meet can pose a threat as well. It is wise to pick your battles...
Normal creatures are more diverse in each area and powerful
New monsters occupy a lot of the area with new abilities and items
There is a new faction system with agents from each province
Stay on guard when exploring forts and caves, as they are protected
