Olroth bugged out infight

Hi GGG

Found my first Olroth fight in a logbook and went for the fight.
What happens next? that damn boss gets bugged out and im stuck forever in the arena.
The only thing I can do is logout and loose my bossfight... yeah great :(
Disappointing
oh and thats my 3rd try after I died 2 times because of random aoe combos from this guy.
oh and ps. please buff armour! armour is a big joke right now because you cant take simple hits without almost getting oneshotted even when resi caped and also 61% evasion on top of the armour.