Imagine Pocket D if it were in B&S.
It might be tamer due to the lack of freedom.
I mean CoH..
Demon summoners
Shape shifters
Tentacles
Dragons
Packs of wolves
Nazis
Furries
Furries (it warrants a second mention)
Children (despite what the flowchart says, you can very easily make a child)
Undead
Vampires
...
The list is nearly endless, any fetish, any kink, any perversion of reality.. you can make some way to manifest it in City of Heroes. Games like Blade and Soul, first don't tend to attract as many RPers anyways.. and second.. you'll find the *ahem* 'Mature' breed of RPers, but nowhere near as many.