the council of war decided that the castilian king would attack the sultan's main army, while the portuguese host, reinforced by 3,000 castilians, would engage yusuf i. at nine o'clock on the morning of 30 october 1340 they moved out of camp, leaving 2,000 raw militia to guard it. the strong castilian vanguard was led by the lara brothers, while the king himself rode in the main body. on the left were the missile troops from the kingdom of león, led by pedro nuñez, and on the right alvar pérez de guzmán with a cavalry corps. reinforcing the portuguese forces were the military orders of alcántara and calatrava.