Morgoth, on 15 April 2015 - 10:45 AM, said:
^^This, and makes sure you dodge yourself behind him (past that smaller arm) and use a big swing (R2) with your axe/hammer/blade whatever you have in your right hand. The extra rage he gets after the half health is a visible thing too...there will be like a red mist around him...when this happens back way off and wait till his attack return to normal...but watch for him if he jumps...and if he does just start roll dodging around so he doens't land on you (he probably still will). And make sure you have a full slate of blood vials to keep you refreshed during the fight when you aren't able to hit him back.