The Survival of the Inca

The Inca Empire was a state that was very strong, only to be crushed by a foreign invasion. However, what if the Inca survived? What could have the Inca done to stop the Spanish Invasion? And could have the Inca turned into a major power?

Point of Divergence

Atahaulpa decides to listen to Cinquinchara and slaughter the mysterious newcomers (The Spanish), buying time for his regime to stabilize and prepare before more Spaniards come.

Differences from OTL
 * There is a Giant Inca State with encompassing Peru,Ecuador, parts of Colombia, parts of Bolivia, 90% of Chile, in modern day.
 * The Inca still practice pagan beliefs
 * Quechua is the official language of the Inca Empire