Shortly after setting sail from Sicily, King Richard's armada of 180 ships and 39 galleys was struck by a violent storm. Several ships ran aground, including one holding Joan, his new fiancée Berengaria and a large amount of treasure that had been amassed for the crusade. It was soon discovered that Isaac Dukas Comnenus of Cyprus had seized the treasure. The two met and Isaac agreed to return Richard's treasure. However, once back at his fortress of Famagusta, Isaac broke his oath. In retaliation, Richard conquered the island while on his way to Tyre.