So my dps sucks on Darmac. I have a pretty good idea why and would like some advice.
I have been running as fire as most people do. At ilevel 680 I am constantly less than 25k dps on the fight. I am usually at the bottom. This is the only fight I have issues with. In other fights I usually sit in the 70-80th percentile. I have even been in the 95th percentile a couple times.
Currently my group is severely low on ranged dps. We have four ranged and four melee. Currently the way our group does it is all ranged switches to kill the spears whenever they are up. Priority is Spears > Boss. Often times 30% of my damage goes to spears.
I am fairly certain the above is why my dps is lacking so much. I see most fire mages with less than 5% of their damage on the spears. Changing the strat is a non-starter. The raid leader doesn't want me to focus the boss and have other ranged pick up the slack on the spears.
So my question is this. Taking the above into account should I switch to Arcane for Darmac, or is there a way to be successful as Fire in this situation? If Fire, should I change from mastery (AoE) items to crit (single target) just for this one fight?