So as known, the Spanish conquest of the Inca empire, was a swift one for the Conquistadors. The Plague, along with the Incan civil war allowed the Spanish to come quickly, and destroy the empire on the rise. However, due to the high altitude of the Andes, some of the Incas fell back, and created a Neo-Incan state, with its capital at Vilcabamba.
They were quite successful, holding out for 40 years after the Spanish conquest.
Now my question is, is there any chance for the Neo-Incan state to survive, at all? Well be it, Spanish ignoring it, or not being able to conquer them, would it be possible for the remains of the Incas survive at Vilcabamba?