You should have acted. They're already here. The Elder Scrolls told of their return. Their defeat was merely delay until the time after Oblivion opened, when the sons of Skyrim would spill their own blood. But... there is one they fear. In their tongue he is Dovahkiin; Dragon Born!
in the upper middle of the screen is the dragon boss !
Dragons were easier than I expected.
I've found that Master Vampires are harder than dragons
Dragon priests are a pain too.