What is a long poem that tells the story of a historical or legendary hero?

The type of poem is an "epic" and the Greek epics included the Iliad (about the Trojan War and the Greek warriors Agamemnon and Achilles) and the Odyssey (about the warrior Odysseus trying to return...

it is called an epic, like the Illiad.

narrative poem or ballad for the crossword i was doing the answer was narrative <3

Shakespearean Sonnet

An epic poem: such as "The Iliad"