After some years passed in peace and quiet throughout his dominions, the Ynca determined to send the prince and heir, who was his son Yahuar-Huaccac, to conquer Antisuyu, which is to the eastward of Cuzco, and not distant from that city. In that direction the Yncas had not hitherto extended their empire beyond the limit reached by the first Ynca, Manco Ccapac, on the banks of the river Paucar-tampu.

Before proceeding with the history, it will be well to explain the meaning of the name Yahuar huaccac, and to state why it was given to that prince. The Indians relate that, when he was a child of three or four years of age, he wept blood. They do not know whether this only happened once or several times, but he probably had some disease in his eyes which brought blood into them. Others declare that he was born weeping blood, and these are more positive about it than the others; it may have been that some drops of blood from the mother got into the child's eyes, and these people, being so very superstitious, may have declared that they were the tears of the child. However this may be, they declare that he wept blood; and, being so given to a belief in omens, they thought much of this unhappy omen in the life of the prince, and feared some great misfortune for him, or some curse from his father the Sun, as they said. This is the origin of the name Yahuarhuaccac, which means “he who weeps blood,” and not “tears of blood,” as some interpret it.