Did it all the time in Oblivion. A good-ol' Ring of Vitality really shut down Bizarro-Me's devastation capabilities. Still, remains the most challenging fight you can have, other than Jygallag on the highest difficulty. --- Simple questions deserve long-winded answers that no one will bother to read.
You mean in the game or IRL? Coz I probably couldn't even pick a battleaxe up, never mind swing it at the 18 stone bearded angry nord charging at me with his smoky poisonous chainmail shirt, never mind chuck a fireball at the man-sized vampire cat. --- To err is human, to Arr is pirate.