Dampyr #105 (2008) pages 33 Just like Kitty Pryde

Bozena the spok (ghost) reports to Nikolaus from the streets of Prague: “I saw a strange girl. She didn't look like a human, or even a spok.”

“A demon?”

“Maybe, Nik. I've never seen a demon, but she walked through a wall.”

(Harlan) “Nik, that waitress from the Green Eagle is a bit scatterbrained. Do you really think…”

“Bozena is a smart cookie. If I remember correctly, I had a brief fling with her in the 17th century… Hold on tight, my little dove. I'll try to replay what you saw with your own eyes.”

(Bozena blushes and coyly twists her pigtail.) “Oh, you want to come inside me? I'm already feeling all upside down, Nikolaus. There, do you see her, Nikolaus? There's something very strange about her. And then she…”

Who is this mystery woman who walks through walls? Is Kitty Pryde doing a cross-over? And why was she dressed for aerobics in the freezing cold of Prague?