Fighting Nere was a big disappointment. He was a total punching bag even though he had been presented as a scary powerful leader. I hope it's because we don't have 3rd or 4th level spells yet.
About Grym again.. once you exploit his "threat assessment", why does he just ignore the PC that is whacking away with a blunt weapon and a potion of giant strength for massive damage? He could kill that PC first and then move towards the "threat". Or perhaps the "threat assessment" should recognize the only PC that can actually do damage to him? This is an exploitative pre-scripted gamey fight to the max and I just absolutely hate the whole thing.
Winning an impossible battle by having to exploit a bad AI makes it a hollow victory.