"Azeroth," Wrathion replied. No, 'Earth' was what they called the ground, but. Hmm. Curious. Maybe it was just a word, but...

He has a similar thought, in the fact that he either doubted this man would know what 'Badlands' meant, or worse--it'd mean something else entirely to him.

"So...obviously not from the same place. Allow me to go out on a limb, as they say, and suggest that my kind are more...a fantastical tale, than anything real?"

No, Wrathion isn't reading your mind. There's more involved than that, he's just presupposing and theorizing from things he's extrapolated. And those ridiculous drawings, too.