Not sure how big of an achievement this is. As I didn't want to use any pots I died in the end because I ran out of spell points but she was like one second away from death either way. And the next tic of my dot finished her off
The fun thing is that if you make one small mistake, you're dead. DQ hits like a truck and with 13 PRR, 14 DR and 460 HP I still had to spamheal myself to stay alive. (I normally kite her but in the last 20% where she's hasted I prefer to rely on defenses).
Either way, here are the screenies