Taiji

After surveying the tower, the squad decided that it was best not to enter it for now, as it looked too dangerous and likely held many mysteries. Someone even suggested that the cultists might have some knowledge about it, and it would be better to visit them first, so the travelers continued eastward, using their usual scouting pattern.

by the way, if this is a BEACON, could there be a river somewhere nearby? there definitely aren't any seas here