 Catalan ground troops were commanded by Guillem Galceran de Cartellà, and were formed by the famous and feared almogavars, crossbowmen and lancers.Peter's powerful fleet was commanded by Roger of Lauria, and constantly repelled Angevin attacks to the island.Roger de Lauria defeated the French forces at the Battle of Malta, and at the Bay of Naples in 1284, where Charles was made prisoner.