Would you like an in-game parser?

[Thunda_Cat_SMASH]

You should be comfortable enough to be able to go in and never drop your buffs like Enochian or Blood of the Dragon (while still using Fire IV/Geirskogul) unless there are mechanics that force it. If you can't do that, you should spend an hour or two on a dummy.

Following that logic, you don't need a parser for anything provided you've already passed the SSS trial for it, invalidating all request for a parser.

[Launched]

Following that logic, you don't need a parser for anything provided you've already passed the SSS trial for it, invalidating all request for a parser.

SSS proves you have the ilvl to clear a piece of content, and that you know your rotation on a dummy. If you can't do SSS you probably shouldn't be attempting that content, but clearing SSS doesn't mean you're going to automatically do well. It doesn't prove that you can keep max uptime and manage your buffs for high DPS, which is what a parser shows. It's entirely possible to have a BLM that can parse whatever the max is on a dummy, and then do absolutely awful on Seph Ex because they can't deal with the movement. A parser proves to them that they're doing worse than they should instead of SSS making them think they're the highest DPS in the group.