"Don't worry." Reflexively, Mar glanced over his shoulder at the rim of the Dragonshrine, in a direction he knew as bone-deep as his own name. If this were the Azeroth he knew at the time he knew it, he would be looking in the exact direction of Icecrown Citadel. "I'll spare no words in explaining just why they should fear the Legion, why they should hate it, and why they should oppose it."

He wanted to explain everything he could, but -- just to pick an example at random -- how could he possibly tell her that in his past, she had been captured by the orcish war machine and subjugated to provide mounts for Horde dragonriders? That's not just the kind of thing one ought to just come out and say...

"Oh! I should say that there's a corrupted Dragonflight called the Infinite which is constantly trying to meddle in time to weaken Azeroth's resistance to the Burning Legion. This might have something to do with them!"