Roland did not want to leave the castle anymore, seeing the midsummer was coming to an end and Border Town was ushering into the final and hottest month of summer.
The saltpeter bought from Margaret, except for producing gunpowder, was all used to lower the room temperature. Now almost every room was displayed with a bucket filled with saltpeter and also a kettle. Then he could sit in a cooler room and enjoy iced water to quench the thirst. In this case, he would not be sweating profusely the moment he came into the office.