TBH, the thing about Baldur constantly reviving his health every time I almost killed him, pissed me a lot. But, I guess it was a part of the fight too. After 3 rounds I was able to kill him in the 4th. That took a lot of afford even though I played this fight once before. I don't even remember how many times it was the first time I died trying to fight him. It surely helped me to learn a few tricks.