6 Dux Bellorum: A Story of King Arthur and Vampires » by Shoshi.Cooper The moment Seo, time-traveler from the future, hears about Excalibur, she knows she needs to steal it. But when Seo realizes what Excalibur really is, she begins to understand that King Arthur's story is wrapped up in her own. With a threat spreading, threatening Arthur and his warriors, Seo must face her past and childhood fears, to save all of history... from Arthur, to now.