Zacharias pulled his wand out when she did, just to be safe. No need to be blindsided by one of those things waiting inside, even if it didn't seem likely. "Well, that's one thing in your favor." He looked around the flat. While he knew where she lived he hadn't ever been here before and nothing really seemed out of sort that was a good thing.
"Do you have wards up or anything that should be checked?" He didn't really know much about them. Zacharias had always felt that by virtue of living in a less than favorable muggle neighborhood, he didn't have to worry about magical threats. Some of his friends had felt differently and had put up wards for him. However, Tracey lived in a magical community and had recently experienced a rather traumatic situation.