A strong female character in fiction is often seen as a set personality - cold, vicious, doesn't take any BS type of girl. But why?
This is, however, a list fun things that fans like when accompanied by good, likable characters with a thought-out compelling plot that takes place in a well-built world.
If it wasn't for the prophecy, there is a good chance Harry wouldn't have been a part of Voldemort's demise at all, though he no doubt would have fought against him. What makes him so special, so much more vital than the other students who fought Voldemort was the prophecy.