What type of figurative language is used in the name, " Dark Suns"? this is from the story long way down and its for reading class

Oxymoron

Explanation:

The term figurative language refers to the use of words in an unusual way in order to convey a complicated meaning, make writing more interesting, add clarity, or make a comparison. Figures of speech are the key part of figurative language, and there are many of them.

One of them is called oxymoron. It involves a combination of contradictory or incongruous words. In this case, we have the combination of words dark and suns. As we know, the sun can only be bright, but in this case, it's described by a completely opposite word - dark.

sam knew that staying up late on a weeknight would effect his exam performance the next day. however, he believed that his friends would be mad at him if he didn't join them. peer pressure and the thought of losing his friends scared sam. he planned to meet them for a couple of hours and then leave early to study for the exam.

op: object of preposition