The best answer for this question would be:
<span>Heroes tend to be based on archetypes.
Heroes in epics are definitely described in a stereotypical, because if you have read most of the epics; you will notice similarities in the format of their stories.</span>
The correct answer should be
<span>(Do you see this grain of sand)
The subject is the little grain of sand because it's the focus of the poem and is also the doer of the action of bringing a thought.</span>