He didn't even have to look up to know that she was there. It was just one of the skills that Bruce had taught him to be hyper aware of his surroundings at all times. He was always focused. It's what kept him alive this long. Technically he should have died twice now, but thanks to circumstances and training he was still alive today.
The fact that Kansas was literally almost hell on Earth hadn't surprised him much. Then again after all his time as Robin and then Nightwing very little did. He'd seen stranger things in his time. "Sure." He passed it over to her and drank his own. It was straight black. Any less than that would have gotten him mocking from most of his peers. That was the trouble with being a super hero. All the other super heros had super jokes that occasionally were less than hilarious.
"How are you doing? It's been a while." He offered her a small smile. He wasn't that fond of magic, but still Zatanna intrigued him. He couldn't just ignore the possibilities speaking to her could bring because of some stubborn idea that magic was bad or scary. She hadn't turned him into a rabbit or a toad yet so he supposed he was at least on her good side most of the time.