Apu

Sources present two closely related models rather than a single origin myth: apu may be conceived as ancestral spirits that inhabit and protect particular mountains or, alternatively, the mountain itself is treated as the sacred, personified presence. Apus form part of the wak'a category (material manifestations of the divine) and were incorporated into state ritual and landscape management during the Inca period, when architecture and shrines were placed at sacred peaks to channel and control land power.

Rather than a fixed human form, apus are experienced as mountains or rocks that display anthropomorphic attributes; researchers note peaks are perceived as beings with personality and agency. They are frequently associated with condors and ancestral identity. Sources emphasize that specific humanoid portraits are not consistent across accounts—some scholars stress the spirit-as-inhabitant model while others treat the mountain-as-being model.

Apus are regarded as among the most powerful nature spirits in local cosmologies. They are said to protect local communities and can be invoked to assist people at a distance; they are linked to control over water, fertility, agriculture, and the local distribution of resources. Apus form hierarchical relations (higher peaks command lower ones) and are integrated into seasonal ritual cycles (notably reported as most active in August). Cultural accounts also attribute variable personalities (masculine or feminine, protective or malicious) and social ties (familial or romantic) to apus. If neglected or offended, an apu is believed to cause illness, accidents, natural disasters, or other harm and is reported in sources to 'eat' (quoted in sources) people who die near them from illness or accidents.