Final answer:
Deiphobe, the Cumaean Sibyl in Virgil's 'The Aeneid,' tells Aeneas about the future of Rome and the challenges he is yet to face, as she guides him through the underworld where they meet the spirits of fallen heroes and notable figures.
Step-by-step explanation:
The question appears to be asking about a classical work, specifically the character Deiphobe from Virgil's ancient epic poem, The Aeneid. Deiphobe, also known as the Cumaean Sibyl, guides the protagonist Aeneas through the underworld.
She reveals to Aeneas the future of Rome and the hardships he must still endure.
They encounter various spirits, including fallen war heroes and significant figures who made contributions through their knowledge or arts. Deiphobe's prophecies and guidance are meant to prepare Aeneas for his destined role in founding Rome.