In the end, it only took two days for Billy to complete the map of the sewers. In the meantime, he didn't find any traces of anyone using them at night. So, something seemed off…
"Those are the points around the central part of the capital that we can use to enter and leave the sewers, if she is using them, we should keep an eye on those spots," Billy said while pointing to the map. "However, they are too numerous, so there is a chance that we will miss her."
"I can guard all of those at night by using my speed, during the day, things get a little more complicated since I will end up leaving traces behind," Icarus said.
Billy nodded. He also would stand out by moving around during the day in that part of the capital. Still, considering that he didn't find any traces of the female thief using the tunnels, they had to guard those spots during the day…