 In 206 BC, Hasdrubal Gisgo, whom Livy described as 'the greatest and most brilliant commander who held command in this war' had moved from Gades to renew the war.He conducted levies with the help of Mago, the son of Hamilcar, and had 50,000 infantry and 4,500 cavalry.Livy noted that some of his sources wrote that he had 70,000 infantry.