Oh my god, the dps is fine. We kill arms in literally 1 second each. It's about just hitting the main body, it takes too long because it has too much HP. It's not a random party, it's me with three other
FC buddies and they are geared with High Allagan.

No other boss takes that's long. Why should this one?

What is so hard to understand about this. I know the strategy so there's no reason to keep mentioning it.