First off, the EX trials are absolutely NOT part of the trial roulette. Here is actual in-game evidence



Quote Originally Posted by Purrfectstorm View Post
You would have to beat the trial or raid first to unlock roulette anyway so I don't see the problem. Sure, why not.
One word: carries.
Also, just because you work well with one group doesn't mean you work well with all groups. Ever notice how low the clear rate for t9 is in DF?