I'm not entirely sure as I haven't read this specific 'el dorado novel'. But often, novels with 'el dorado' in the title might deal with themes of discovery, adventure, and the pursuit of a utopian or ideal place.
I'm not sure specifically as I haven't read this story yet. But generally, short stories can have themes like love, friendship, struggle, or moral lessons.
The main theme could be about mystery. Often, in such short stories named after a specific place like 'el pozo' (the well in Spanish), there might be elements of the unknown associated with the well.
The main theme is about the social and political ills in the Philippines during that time. It shows the corruption, oppression of the native people by the colonizers.
The main theme could be the concept of a 'perfect crime'. It might explore the idea of how someone tries to plan and execute a crime without leaving any evidence or getting caught.
One possible main theme is the power dynamics and corruption. In this novel, it might show how power within the church or society can be misused, leading to various crimes and moral downfalls. This exploration of power and its abuse could be a significant aspect of the overall theme.
In a cultural context, if 'el vate bases on el dasa story', it could mean the preservation of certain cultural values. 'El dasa story' might be a traditional story that contains important cultural elements. 'El vate' then becomes a way to carry on these elements. For example, if 'el dasa story' is about family loyalty, 'el vate' could promote the same value in a different form.