Sure, that pledge sounds a lot like a law, designed to get the Shadowhunters to do their duty. But things get grayer when you consider the fact that who falls into the category of "people" is debatable.

We wonder if Jace is trying to convince himself that he's happy here. After all, his purpose is little more than a supernatural assassin, which sounds like it might be more than stressful and less than fulfilling.

Boy, talk about commitment. We hope they at least offer good health benefits. And a little life insurance to kick over to the loved ones.