Unlike the others who recognized her, this one actually approaches her in a revered manner. The display takes her by surprise after spending hours speaking with the other dragonsworn who addressed her casually (though with some reluctance) and so she's left stunned for an awkward few seconds.

"You know of me, yet I know nothing of you."

Meaning he must be another hero from a parallel Azeroth. It causes her heart to ache to think of the Burning Legion attacking their beautiful world in the future even when they are done here, but it can't be helped, can it? Maybe her brother would know more, but they aren't exactly on speaking terms.

"Will you tell me?"