Sarmiento de Gamboa cited by Rostworowski Tupac says ill in Chinchero, choosing as his successor his youngest son, a fact that angered some panacas Cuzco waiting Capac's successor was the son of a concubine Guari Chuqui Ocllo. Thanks to the timely intervention of his maternal uncle Achachi Guamán unsuccessful conspiracy and was named by taking the name of Inca Huayna Capac, with a hectic start of the new government began the Inca, who basically had to devote all its efforts to consolidate the land conquered by his father and quell riots rebellious provinces. For this, he assumed the political and religious control of the empire, displacing Apo Chalco Yupanqui, the existing Villac Umo. For the first time in the imperial period were concentrated all power in one person. However, near the end of his life appoints a relative, Cusi Tupac Yupanqui, as the new High Priest of the Sun (apparently this is the crowning Umo Villac Manco Inca and the secondary in their wars of conquest as a skillful strategist).
According to the chronicler Pedro Cieza de Leon, not far Inca of Cuzco during his first years in office, following the request of his mother. As transportation is by foot an expedition could last several years, so he sent his uncle Guamán Achachi to follow the path of Chinchaysuyu to Quito.
Their campaigns have a tendency to always go north. On the one hand, the harsh jungle resistance (people and nature itself) blocking their way to the east, while to the south and west it was all discovered. Thus the only possible way was north, and in turn virtually unexplored area highly unstable due to the large natural bellicosity of his.
The fighting in the north lasted many years and so, after arduous and bloody battles, the northern ethnic groups were incorporated into the Inca state.
Rostworowski says that while Huayna Capac in Quito, he received the news that rare individuals barbados sailing "wooden houses" had arrived at the coast to the north. It was 1527 and Francisco Pizarro and his companions had walked on the territory of the Inca.

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