These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Tear Jerker: the ending. Also, though subtle and unintentional is the list of kings provided in part 4. If you look closely you realize that, near the end of the line the Indian names give way to Spaniard names, showcasing how Indians tried to see the conquerors as the successors of the lineage.