Quote Originally Posted by Iscah View Post
I'll admit I didn't actually check whether the roulette was available when I only had Labyrinth unlocked, because I knew leveling roulette didn't unlock until you had two options, and that's logical. But perhaps the underlying rules just unlock the roulette at a designated level, and for leveling it's the Lv16 requirement that ensures you have at least two options before you can run it.
It was going to be either you needed two for it, or just the one. That's why I included your comment above.