Answer:
Readers like to be surprised.
Step-by-step explanation:
Peripeteia is a literary device where the events took a tragic but sudden turn, surprising the readers, audience or anyone reading or seeing it. It is also primarily used or associated with literary works.
The use of peripeteia is an indication of a dramatic event where the scenes or events took a sudden turn from the free flow of things. This gave a surprise to the readers and audience, providing a sudden shift into the fate of the protagonist from good to worse.