Answer:
The negative hero in each story
What never asks questions but receives a lot of answers?
The line a runner strives to reach
The day is their night and the night is their day, when I shout and they shout back I run away.
You do this into someone's ear when you want to be discreet.
I fly to any foreign parts assisted by my spreading wings. My body holds an hundred hearts Nay I will tell you stranger things when I am not in haste I ride and then I mend my pace anon.