"Some can, depending on what kind of demons they are, but I have ways to counteract that." She didn't go into detail, magic seemed to be radiating off Loki and he seemed clever enough to put two and two together. She wasn't nearly as interested in killing demons as the last time she'd been trapped in hell, her primary goal was getting everyone back out alive and undamaged, including John, if she could grab him.
But then Shannon spoke and everything inside Zatanna clenched for just a moment. Shit. This was exactly why everyone always said to be careful of meeting someone in person after only speaking online.
"Right," Zee said, mentally preparing herself for the inevitable confrontation with the triumvirate. "I know where we're going then. Expect a fair bit of resistance." And with that she stepped through, the wards and sigils etched into her coat glowing a bright blue for a brief moment before fading away.