 The figure who broke with the other eight tribes is the executor of the sacrifices.Huitzilopochtli again appears, this time as an eagle, above the victims with a Mexica man to bring him a bow, arrow, bow drill, and woven basket.The Mexica arrive in the Basin of Mexico at Chapultepec on folio 18, which also depicts the first of the New Fire ceremonies and the invention of the "atlatl".