Answer:
An alliterative verse is the one that includes an alliteration, which refers to the repetition of initial consonant sounds of closely related syllables. This device is important because the repetition of sounds makes the words easier to memorize. The genre of epic has been closely related to oral communication, and in order to tell the epic, the narrator needs to memorize the poem. For this reason, the importance of alliterative verses in an epic is that they make the poem easy to memorize.