Job Alignment Chart

[Alexz]

Evil? Really?

That quote basically explains why they would be lawful-neutral rather than good. The Dark Knights are not enemies of populations, the meek, but they are of individuals. I believe somewhere in the Dark Knight class quests, you are given the option to help a person or ignore, and if you help the person, the Dark Knight resents you for it, saying it was the wrong thing to do. They don't really respect individuals lives. The evil aspect could be compared to a white mage. A white mage goes out of his or her way to heal people, such as passerbyers or party members (good), but the Dark Knight doesn't particularly make self-sacrifices that don't benefit them in the end. They, like black mages, harness that void power to defeat larger evils, but still remain a sense of evil themselves.