We were finally in the small square where the clock tower was located, examining the building from a distance. All the windows were boarded shut, leaving only two access points to get inside: the main door and the missing clock sphere in one of the sides, which was most likely the way that the dragon got in and out of his tower.
We considered entering through the top of the building, but soon we discarded that option: we didn't want the dragon to spot us before we got in and fight us in an open sky where he would have clear advantage. Nor did we want to get into his lair only to realize that he had called all his servants for help. As far as we knew, he had many trolls and a Jadwiga witch living in the tower, which seemed like a terrible opposition if we had to face them all at the same time. Our best chance was breaking through the main door and trying to avoid alerting the whole tower when doing so… which would have been easier if Argentea didn't have to knock