American Emergency, but Medieval Papal System

On the first day of time travel, Gu Xian fainted in the emergency room in the United States due to hypoglycemia. When he woke up, he received a bill for half a year's salary. But he just fainted. Fortunately, he can see the patient's suspicious symptoms, and as long as he diagnoses correctly, he can get corresponding rewards. [Stephen Knight was attacked by an insidious enemy and is now asking for your help. Gu Xian: "Can you make the system normal?" [The mission is completed, and the inheritance issue of the Knights' Territory is successfully resolved. [Acquiring Divine Grace: Identifying Venomous Snakes] At first, he just thought there was something wrong with the system. Until one day, a line of golden text that he had never seen appeared on the panel—— [Even if the guidance has long been broken, please ascend to the Holy See of the Pope.