I'm not sure who exactly Sarah Bello is in the context of scary stories. There could be many people named Sarah Bello, or it might be a relatively unknown figure in a specific collection of scary stories.
Saul Bello and Herzog were two different stories that could not be directly provided in e-books. However, if you need to read Saul Bello's novel Herzog, you can try to search for the electronic version of the novel online or borrow it from the library or buy a paper version.
It depends on your tolerance for scary things. Some people might find Sarah Bello's stories extremely frightening, while others might not be as affected.
There are fanfictions where the characters struggle with the moral implications of jus in bello in the Supernatural world. They have to decide whether to follow the rules of just war when dealing with demons and other creatures. In some stories, they form treaties with certain groups based on these principles, which adds a whole new layer of complexity to the plot.
Archive of Our Own (AO3) also has a wide range of Supernatural fanfictions. You can try searching for 'Supernatural jus in bello' in the search bar. There are often tags and filters that can help you narrow down your search to find exactly what you're looking for.
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.
A scary El Salvador story is that of the Xtabay. It's said to be a female spirit that lives in the jungle. She sings a beautiful but hypnotic song that draws men to her. Once they are close, she either kills them or drives them insane. This story was often told to keep people, especially men, from wandering too far into the dangerous and uncharted parts of the jungle, as the unknown held such terrifying entities.