Quote by Cassandra Clare
It means 'Shadowhunters: Looking Better in Black Than the Widows of our Enemies Since 1234'.
Summary
This quote is a playful commentary on the apparel of the "Shadowhunters," a group of fictional warriors in the book series 'The Mortal Instruments.' It suggests that Shadowhunters not only wear black clothing, but they wear it so well that they outshine the widows of their enemies since the year 1234. This implies that their choice of fashion is not only stylish but also demonstrates their superiority over adversaries, highlighting their confidence and skill.