Draugr Deathlords with Ebony Bows and Arrows. They kill me in two hits. Draugr Deathlords with Ebony melee weaponry, even two handers, are no problem though for some reason 
And there's a reason why i stay out of the Reach after level 30, my character just becomes too weak to take on the Briarhearts
Ah, the wonders of level scaling 
And of course Ancient Dragons and their "I eat you if your health is any less than 100%" move. But i even the odds by using immortal mode (unable to die, but health, mana, stamina and ammo acts normally) when fighting them

And there's a reason why i stay out of the Reach after level 30, my character just becomes too weak to take on the Briarhearts
Ah, the wonders of level scaling 
And of course Ancient Dragons and their "I eat you if your health is any less than 100%" move. But i even the odds by using immortal mode (unable to die, but health, mana, stamina and ammo acts normally) when fighting them

last part...you are immortal but you can run out of health, mana, and stamina still? I dont see a point.
