Her fingers were still threaded into Sam's hair as she monitored what was happening. It was a peaceful moment, but Zee was definitely feeling the effects of doing this. She was getting tired, but she'd be damned if she let up, tapping into the earth she was connected to at the moment to bolster her.
The interruption was not appreciated however. Concentration and focus was two of the three main ingredients to Zatanna's magic, the third being her own self confidence. She shot a frown over her shoulder towards the entrance.