Challenge
Write about a terrible character—a monster, a villain, the worst person you have ever known—and make that character sympathetic to readers.
“The villains are all parts of me. For years I've been wondering what it would be like if all those negative elements were forced onto the main character's side. I can understand a character with that kind of anger."---Hayao Miyazaki. (Think Magneto in X-Men, the Ice King in Adventure Time, The Phantom in the Phantom of the Opera...) 100 coins to the best work :)
He wanted the world, for her. It was the drive, the core of him. What is cost to love? What is the world? The deaths, the twilight he's caused, she was worth the last drop. Even if she disagreed.