This soothsayer's warning in this passage is an example of foreshadowing.
What is Foreshadowing?
This is a literary element that is used by authors to give hints or clues about future events, as a sort of prophecy.
With this in mind and from the complete question, there is the narration of the soothsayer and how he made use of foreshadowing to make a prophecy about coming events.
Read more about foreshadowing here:
https://brainly.com/question/25079664
