The Battle of Chillopampa was the first battle of the Inca Civil WarFollowing the death of Sapa Inca Huayna Capac in 1527, his legitimate heir Huáscar had angrily watched as illegitimate son Atahualpa inherited the northern parts of the vast Inca Empire and, probably in 1531, sent his general Atoc to reclaim those areas viewed as rightfully belonging to him and to the line of the dynasty of Manco Cápac.