Bugged Titan boss fight on a map

https://www.youtube.com/watch?v=nl1CRZFyERA


This is fight was bad in the campaign for a melee build but somehow it became even worse in the Atlas.


1. At the start of the fight Titan is immune to all damage
2. Parry range doesn't make sense it's random when you can parry (sometimes you can parry dagger stab and arm swipe and other times you can't, sometimes you need to be standing in certain angle).
3. Sometimes you hear "the parry sound" but you don't get the parry buff or frenzy charges from disengage
4. Some skills just zoom through the boss to the lava pit below (2:00).

"not getting frenzy charges" is from 4:32