Focusing on Istredd, Stephen and Yennefer can attune the watch that Stephen has to monitor activity. A signal will bounce back from the trackers closest to the northeastern coasts of Thorne's territory.

At the same time, that information will be recorded by the mages in Thorne. One of Ambrose's assistants will approach the duo at some point to ask if they also noticed a sudden spike in activity. They can either explain what they were doing with the thaumametors or spin an alternate story.