Taxed, expected, or perhaps we take it upon ourselves. [ It's a pondering that Wrathion has from time to time. It has fallen to him to be what the Black Dragons should have been. ]
Which is why we must be intelligent in how we do this. There are surely the ancient stories that are always based in true tales. That would be the logical starting point, thus one would think that it has been an avenue already perused. Speaking to the Cult? I doubt they would tell us lowly Honored Guests.