As expected; Lone Wolf.
As for spacing out; That already signals you know what's coming. Hence "having to take the insta-kill and reload", which I think is bad no matter how easy you can make it actually knowing this on subsequent runs.
Unless you are blind, you can see there is a big patch of fire where she is, which is very strongly hinting you are about to get smashed by some fire damage. If you even get to 50% fire resistance before the fight, you are taking 2.8 times less damage than I am, which is significantly less damage and makes the fight survivable regardless of lonewolf or not. This shows a toon with 0 preparation, doing the stupidest thing you can do going into the fight.
Hell, you could even cast that fiery skin buff in polymorph which grants 100% fire resistance, that would make the fight completely cheesy.
