Kansaw pauses a moment, then replies.
"Hmm... I know I've seen Draconics and Half-Dragons, and I seem to recall an air drake passing through. Far fewer than in other regions though. Hmm... I think a Silver was once invited to a major event by the Grand Priest of Siamorphe, but he refused. Twice. So whatever it is, it seems to primarily affect True Dragons, but has some effect on lesser dragons. ...of course, the relative lack of thereof could simply be a side effect of the absence of other like creatures. Come to think of it, the nearby kobold tribe has never in my memory produced a Greater kobold, which typically happens in a tribe that size around once every 750 years."
Spoiler: OOC
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Greater kobold = Dragonwrought Kobold