Yes, guessed that (that it was only 1 brain phase) after I noticed the 7 mins speedkill achi, and obviously BL drums + a 574 weapon vs I think around 530 at the time helps a lot on the brain as well, apparently a very quick p3 cause 2 mins 30 to kill all tentacles and dps 12,5 mil on the brain means something like 15 mil total hp dealt in 150 sec, so 100k dps single target, ignoring adds, reasonable after all with soul reaper and a flawless execution. Was very surprised of the 7 mins left on BL though when I saw the screenshot the first time.
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Also, since galleon's enrage doesn't seem beatable even with the best dps gear, decided to have some fun and try with a couple of friends, I was forced to use tank gear to survive the boss + add damage, and since one of them is a mage, he couldn't survive the fire arrows (looks like they do NOT target the tank if it's not a solo, so the mage got them all) and we decided to take a holy priest to keep him alive so we could beat the enrage.
However, turns out we didn't have enough dps (565 almost full tank gear, 552 frost mage and 500 priest who did some dps as well), he enraged at 35 mil and 1-shotted me with a 2 mil hit.
So we had the priest relog on his ret paladin, although only 507 dps gear, I knew he could've done the difference for the enrage, cause even just 30k more dps single target over 15 mins means 27 millions, very close to beating it, so we used 8% runescroll, drums, and might, this brought my mastery from 177% to 210%, so I could use 1 more dps item, 195% mastery, to help beat the enrage.
http://postimg.org/image/t2lcrpkk5/
http://postimg.org/image/5e5uwfo0l/
http://postimg.org/image/l0x49t1sl/
http://postimg.org/image/kllugsfv9/
Was quite a challenge I have to say and a lot of fun, especially enrage-wise and also surviving at some point, decided to use IBF glyph and do a rotation for the stomps IBF-dg-IBF, etc., DG was always ready just in time, also took glyph of pestilence to take adds aggro more easily and roiling blood and chillblains to slowly kill them, although chillblains, even if it works on them, didn't seem to be very helpful and I'll just take DA next time, and we had 38 sec left to enrage (stopwatch started later, forgot).
Doable with 2 ofc, if the dps can heal himself enough from fire arrows, warlocks come to mind.
376, 292 and 95k dps dk, mage and paladin, but that is overall, and even though we single-target focused galleon, 60% of our damage was on adds, so constantly they spawned, actual dps on galleon considering the damage we did on it is like 160k, 105k and 42k, pets aren't considered (DRW, army either), so that explains the bit of dps missing to make the 320 mil.