 Alvarado's company was the first to make it to the Tlateloco marketplace, setting fire to the Aztec shrines.Cortés' and Sandoval's companies joined him there after four more days of fighting.Cortés despatched Pedro de Alvarado to invade Guatemala with 180 cavalry, 300 infantry, crossbows, muskets, 4 cannons, large amounts of ammunition and gunpowder, and thousands of allied Mexican warriors.