"Uh...right." Rex puzzles for a bit longer before just...shaking his head. Maybe this guy wasn't what he was smelling, maybe it had something to do with being from different worlds or something. Fine. Then he'd just take it in stride. "Ah, no problem....I couldn't eat it anyways. More for you."

He grins, his own fangs flashing in the dim light as he waved him off.

"Honestly? Just exploring, and the smell of fresh blood and something familiar drew my attention I guess."