i wowanalyzer your longest fight, and like 7 ppls who parsed around 80 as fs, (cause i'm not on him yet, so don't know how much rotation is screwed), so, theses are my clues of what seems to be the differences :
- your engulfs seems to miss at least one dot about 40% of the time
- you seems to overcap essences a bit more in phase one, but it don't seem to be an issue, plus, would be hard to focus on this i guess
- you seems to have way more crit than everyone else. i would bet somehow droping 6k crit for mastery vers, or even more haste would be beneficial, but might be wrong, i'm not robot
as for target damages. you have similar or slightly lower damages on p1 dim, living mass and the p2 mini bosses, but significantly lower damages on the p2 small adds and p3 dim. like, ppls have on average 400k dps on the Nullbinders, and 200k dps on Voidwardens. while you usualy are at like 80 and 70k on each.
and p3 dim, you have often 400-600k dps less than theses peoples..
i guess the biggest things then is to look how ppls do theses damages on adds, and eventually figure out p3 better? but i'm nobody to tell you "just cast more things" down there^^