Battle of Pontvallain Edward III's mistress Alice Perrers. Knolles' campaign has been estimated to have cost Edward III somewhere in the region of £66,667 (), based on his known requests for loans. But the chevauchée that preceded the battle yielded, it has been said, "plunder but little military benefit," while Maurice Keen noted that even though Knolles had reached the gates of Paris, "he had little to show for it when he reached Brittany." and illustrated how much the Hundred Years' War had changed in character by now. According to Christopher Allmand, "the days of Crécy and Poitiers were over." Pontvallain "destroyed the
Edward III of England of the Household John Neville were dismissed from their positions. Edward's mistress, Alice Perrers, who was seen to hold far too much power over the ageing king, was banished from court. Yet the real adversary of the Commons, supported by powerful men such as Wykeham and Edmund de Mortimer, Earl of March, was John of Gaunt. Both the king and the Black Prince were by this time incapacitated by illness, leaving Gaunt in virtual control of government. Gaunt was forced to give in to the demands of parliament, but at its next convocation, in 1377, most of the achievements of