Coil of Bahamut ( Practice Mode )

[Richiealvian]

Might wanna not use the [petition] thingy, I don't think the devs are very fond of it.
But this is something that can be implemented surely, we have those fighting games where you're invincible and the boss is, too. So you can practice rotations and dodging while both you and the boss' health doesn't drop, and you can skip to phases.
Or when the boss dies, there's no cutscene, only goes back to the start of the encounter or even go back to 100% health..

[Souljacker]

Might wanna not use the [petition] thingy, I don't think the devs are very fond of it.

The devs need to put on their big girl\boy panties and deal with requests. Petitions are a good way to show the level of support for a given idea. Sticking their heads in the sand and ignoring the players is why XIV bombed so badly to begin with. It's made a comeback, but recent changes that again, didn't take player opinion into account (or that were even tested in a meaningful way) deals blows to an already shaky reputation.

I agree with tiered modes of raiding. It's successful in other games, and can be successful here as well. Perhaps not a training mode, but a mode that has fewer mechanics, lower rewards, and that serves as more of a stepping stone into the hardest content.