Open with poison mist to distance yourself from opponent. Light crossbow and ascended flame are your main weapons. Using these two to constantly heckle the opponent from a distance while occasionally coming in for a black flame.
Also, choose between the divine or lightning light crossbow. Have heavy and lightning bolts equipped
Crest shield and hand axe are their when you need to go melee. Switch out the shield and hand axe for anything else you see fit.
Example: heater shield + reinforced club/battle axe
