Siren.....

[Aerin]

Snipped

Pretty much this. At first the fight seemed almost impossible to me because of a variety of things. This fight becomes incredibly hard for the healer if:

1) No one runs to the middle when she does her mass curse
2) No one stuns Lunatic Voice, the healing debuff
3) The dps is too slow in dealing with adds

Any of those can make this fight annoying, and it just gets impossible if you have to deal with all 3. Otherwise, if all 3 of those are taken care of this fight isn't bad.

[kukurumei]

Pretty much this. At first the fight seemed almost impossible to me because of a variety of things. This fight becomes incredibly hard for the healer if:

1) No one runs to the middle when she does her mass curse
2) No one stuns Lunatic Voice, the healing debuff
3) The dps is too slow in dealing with adds

Any of those can make this fight annoying, and it just gets impossible if you have to deal with all 3. Otherwise, if all 3 of those are taken care of this fight isn't bad.

Actually the opposite, while, silencing the healing debuff is nice, given a choice between being rushed, or healing debuff, I would take the debuff.

Siren will spam the lunatic voice anyway at around 25%, so no amount of silences can catch it.

I would say you can live through the healing debuff, you can't heal through the rush (towards the end).

You only need to esuna/leech 2 members (the tank and the cursed one) the other members can let their debuff wear off, and still finish the fight.

But absolutely do not get hit by the rush and you can probably brute force it to a win.

If you want to be cheap, bring a brd and ballad and start spamming aoe heals towards the end >50%. You can heal through the debuff with enough mp to win the fight.

[phr0st]

I find that the real make or break mechanic in this fight is her debuffing song, Lunatic voice. If the tank interrupts it, the fight goes much smoother, otherwise it can be tough.

[Worm]

I actually found adds sort of easy to deal with on my Monk, since my Shoulder Tackle cooldown is so low they were barely getting anywhere near the targets. They seemed to never target me as well, just the healer and tank.

[Aerin]

Actually the opposite...

Not really sure how that's the opposite of what I said since I never mentioned her rush. That being said I'd rather take the rush simply because it's less to worry about. Having to remove the debuff of 4 different people with the gcd being what it is and having to heal at the same time due to adds and tank still taking damage, I've always found it to be much more of a pain. You may not be able to stun it 100% of the time, but removing the debuff just to have her immediately put it back on really isn't a good alternative.

I also mention having to esuna 4 people because in most of the DF groups I've been in, people are always taking extra hits (such as being hit by rush) and need to have to be able to heal them as well. Sure it's not ideal, but it's DF and that's what a lot of the time we have to work with.

[kukurumei]

If no one gets rushed >50% you only have to esuna 1 person, maybe 2 (because you can be so bored, stone-skin might be enough to stop the curse)

And you can not rely on the tank to silence siren. She will spam it at 35% ish...massively without warning, and in the middle of dodging adds. There just isn't enough to go around that.

Since the rush does 90% damage, it's better to avoid it then eat it, and it's if a team can't avoid it when you are on the edge of the screen...that's sad, that's ifrit mode.

[Ispen]

That seems to be a trend with the new dungeons: the faster you deal damage the harder the fight becomes. Against Symond, he summons hounds at certain percents of his HP. Against Siren, the same mechanic applies. Same for the first boss of Haukke HM. I wonder if SE was doing this to either discourage speed-running, or simply make it harder?

First boss in Cutter's Cry does the same thing, it's worse in there cause one of the adds that boss spawns heals it.

[Sasagawa]

rule no.3 in tanking

Always check if you can stun or silence a boss

Also I ran this 3/3

Basically I just tanked her in the middle and made sure to stun/silence what I could

this fight can be difficult if everyone stands around the edge but tbh I had 2 melees dead centre with the healer also just off center and it was a case of tank and spank.

Also something that a lot of tanks don't seem to do is use hallowed ground !

if the tank gets the healing debuff or the whm is incapacitated just pop your debuffs and your fine and if that doesnt work and your i lvl 90 just spam stoneskin.

this fight is incredibly easy as long as the tank makes it easy on the healer.

rush > cure 3

Another tip is the pld can stoneskin everyone in the party then rebuild mp off the boss, again makes the fight even easier as wel las using shield swipe for pacification (stops skills being cast) so yeah pretty simple really

[Akuha]

I can't even get into a party that can clear the first freaking boss, I hate Pharos so much... is there a way to exempt this from the Duty Roulette? Because EVERY FUCKING TIME I select high level it tosses me into that hellhole...

[Subucnimorning]

Get away from people if you get 3 stacks of the debuff on the first boss, really can't die as long as you aren't exploding on each other.