How did King John use the revenues of vacant church offices?

During his prolonged quarrel with the papacy between 1208 and 1213, King John seized the revenues of vacant or appropriated sees and abbeys to bolster his financial resources. By the end of this dispute, he had amassed more than £100,000 from these church offices.1

John utilized these funds primarily to support his military ambitions, specifically his intention to recover his lost Continental lands and his ongoing struggle against Philip II of France. While this practice faced little opposition from the laity at the time, it drew sharp criticism from monastic chroniclers, who accused the king of tyranny, cruelty, and sacrilege.12