I enjoy your story although the lack of accomplices renders it a much hollower version of Homer's The Odyssey. It's not only Odysseu's sailing back home but also the tale of his men's demise and Penelope's misfortunes back at home.
Because life is serious. I don't have the luxuries many think I have. I made a promise on my parents' grave to rid this city of the evil that took their lives. I live up to that promise everyday.
Indeed it does not. Gotham doesn't know what it needs. I am the hero Gotham deserves, but not the one it wants. They can hunt me and hate me, and that's okay. I can take it. I am Gotham's silent guardian, its watchful protector. I am a dark knight.