Answer:
The characteristic which is not true of epics is:
B. The heroes are usually flawed in some critical way.
Step-by-step explanation:
All the other three are true about the epic.
An epic is a form of writing which is extensively long. The hero of the epic is historical and traditional possessing many qualities of bravery, gallant wisdom. An epic contains the theme of morality and virtues in it. It includes the journey of the hero.