 The king raised an army to help Hubert, who began to build another castle in the commote of Ceri.However, in October the royal army was obliged to retreat and Henry agreed to destroy the half-built castle in exchange for the payment of £2,000 by Llywelyn.Llywelyn raised the money by demanding the same sum as the ransom of William de Braose, Lord of Abergavenny, whom he had captured in the fighting.