Despair is the emotion that hyperbole presents in lines 308-312.
The hyperbole can be identified in the clauses "to pick up red-hot iron," "walk through flames" and "swear by all the gods." These are expressions spoken in desperate moments when people make extreme decisions and are involved in events that promote great anxiety.
In this case, we can say that the hyperbole highlights the feeling of despair.
Learn more about hyperbole at the link below:
https://brainly.com/question/3886124