Pachacuti Inca Yupanqui ( or Pachacutec ; Quechua Pachakutiq , whose name means `` He who remakes the world '' was the ninth Sapa Inca ( 1438-1471\/1472 ) of the Kingdom of Cuzco , which he transformed into an empire , Tawantinsuyu . Pachacuti Inca Yupanqui ( or Pachacutec ) was the ninth Sapa Inca ( 1438-1471\/1472 ) of the Kingdom of Cusco , which he transformed into the empire Tawantinsuyu , or the Inca Empire .