 He continued in the expensive work started by Lohelius, completed the lower cloisters and prelature, and even erected a new building in the form of St. Elizabeth's Hospital, as well as adding out-buildings and a brewery.Furthermore, he founded the Norbertine seminary in the New Town, which was intended for the theological studies of members of the order.All this was achieved during the Thirty Years' War, when Kašpar Questenberg himself was forced by the violence to flee from Prague.