- Resiliency to have the ability comeback from defeat. Every superhero needs to have resiliency because they may be knocked down but getting back up is what can really define what kind of epic hero he is.
Odysseus shows he's resilient because he is in a situation where he has been defeated. Odysseus was resilient when he came back with a plan which worked. ( Odyssey Book 9, lines 415-420)
Captain America showed rescilicey when he and the Avengers rally in defense of New York City but quickly realize they will be overwhelmed as wave after wave of Chitauri.
Committed to be dedicated and loyal to a cause. Every epic hero is committed to fighting in what they want or for or others, in a positive way.