Final answer:
The passage given by the student is an example of a lengthy speech, an epic convention used to provide background information and develop the character within the narrative. Therefore, the correct option is 4.lengthy speech
Step-by-step explanation:
The quote from the student's question is an example of an epic convention known as a lengthy speech. This type of speech is typically delivered by a character and serves to provide in-depth information about their background, the setting, or their current thoughts and emotions, which helps to develop the character and advance the plot. In epics, such speeches are quite common and are a hallmark of the narrative style typical of this genre, often providing context or highlighting the significance of certain events or characters within the story.