She didn't say that it was OP - Just that it seemed a little strong.

"As being hot tempered Orcus can reach berserk outrage stage where his body pumps with adrenaline and rage which puts him in something like a shock mode in which he do not feel pain or fatigue, have extra strength and moves faster than usual."

For one, if it's how everyone's body work, then you don't really have to notify it. She was working on the pretense that your character seems to have a sort of 'special ability', when we want to keep the RP strictly medieval/normal until later on, where it begins to get a bit more...different.