Having a vivid picture of a setting, person, object etc and the ability to create a detail and clear description of said thing or said person. But that's just what I think.
Answer:
The character found that there really were dragons and began doing research again, finding that dragons may have four stomachs, it is able to digest things like birds do, among other things.
The nice thing about questions like these is that they can't get mad if you have a run-on sentence. For future reference, you don't have to put in all of the details, just the main points.
the answer is: We had seen an elephant!
