Long heroic tale (4)
'long heroic tale' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for epic that I've seen before include "On a grand scale like long poem" , "Long poem/story" , "Long literary work about great events" , "major work" , "Confirm the truth of" .)
'long heroic tale' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for saga that I've seen before include "Heroic narrative" , "Body of legend" , "A long story or poem - it's a gas" , "Epic story" , "Soap opera" .)