Unless, of course, you know what's coming and position your party on the gate so you have high ground.
This i did for my first playthrough ...
I was like "oh they just burned those dudes for no particular reason ... better hide my backup here, in case something went wrong."

And it went sooooo wrong.

Also, i know they tend to misty step a lot ...
But that is kinda your advantage, unless you are one of those people who refuses to shove/throw/thunderwave/etc. no matter how covenient situation is.

And finaly ... there are other things you can use ...
You see Gith patroll, all level 5 ... and there is 5? 6? of them? Not quite sure right now ... so make sure, you have all buffs you can get before you even go talk to them (as i said "in case something went wrong") is also not bad idea ... for example, this (and Bulette) is the only fight, i ever used resistance potion, strength potion, and swiftness potion ... and it helps A LOT!