在科瓦萨西南约50英里的眩心山脉高处，维拉德堡屹立在三座险峻的山峰之上。三座独立的子堡通过空中悬桥连接在一起，在尖钉骑士团的官方记录中，三座子堡的名字分别是多密纳堡、菲罗尔堡和泰拉南堡——这三者分别是科瓦萨女王、一位阿巴达尔牧师和城堡建筑师的名字，他们与这座要塞最终得以完工都有很大关系。另外考虑到骑士团那富有威胁性的声誉，科瓦萨的许多人(以及一些试图利用这点来恐吓陌生人的地狱骑士)私下里给要塞赋予了更为不祥的称谓：统治堡、食人鱼堡和暴君堡，正是这些绰号使得三座堡垒广为人知。同时这三座姐妹城堡都有着外形类似的尖顶塔楼和黑色的墙壁，一直垂落到下面的岩石峡谷中。
多密纳堡不仅担负着保护整个要塞的重任，而且还容纳了尖钉骑士团大部分法庭和军用建筑。其中最重要的是执棒官的房间。这座风格粗犷、装饰着旗帜的建筑一楼是办公和发布命令的场所，因执棒官经常在此进行军事审判而臭名昭著，现任执棒官迪维里在这里给那些有前途的地狱骑士们布置危险的任务。二楼是迪维里的私人住所。
泰拉南堡是维拉德要塞主要的卫戎区。大部分隶属于尖钉骑士团的地狱骑士都在这些宽敞的兵营中休息，并为即将到来的游历进行训练。虽然有相当数量的地狱骑士坚守在城堡的岗位上，但大多数骑士都是在总部之外的地方完成自己的任务的。这座堡垒的隐蔽性使它能够成为一个合格的军队集结地，但它并不位于地狱骑士的战斗前线。因此，许多地狱骑士发现泰拉南堡没有他们的私人房间，他们只是在为下一个任务做准备时能够暂时停留在那里。
菲罗尔堡收藏着不少尖钉骑士团认为值得保留下来的东西。这座要塞独特的塔楼不仅可以监视那些接近城堡的人，并为居住在那里的居民们提供住处，还可以保护尖钉骑士团的图书馆和历史。最下面一层是修建得活像个蜂巢模样的监狱，被很厚的栅栏分别隔离开。成群的囚犯——比如整个强盗团伙或没有战斗能力的部落成员——经常被扔到这里，等待地狱骑士决定如何处置他们。
劇透 - :
High in the Mindspin Mountains, approximately 50 miles to the southwest of Korvosa, Citadel Vraid covers three treacherous peaks. Dizzying spans bridge these triple fortresses, officially recorded in the Order of the Nail’s records as Bastion Domina, Bastion Feroll, and Bastion Tyrallanan—the names of the Korvosan queen, Abadaran priest, and architect, respectively, who had much to do with the fortress’s construction. In keeping with the order’s menacing reputation, many in Korvosa (and some Hellknights seeking to intimidate strangers) have given the keeps the more ominous appellations Bastion Dominus, Bastion Ferox, and Bastion Tyrannous, and it is by these monikers that the keeps are most widely known. The three sister castles share similar claw-topped towers and black walls falling away into rocky ravines far below.
Bastion Domina not only bears the burden of protecting the entire citadel, but also houses most of the courts and halls of the Order of the Nail’s military hierarchy. Most important of these is Lictor’s Keep. The ground level of this harsh, banner-festooned structure holds the Hall of Edicts, an infamous hall used primarily for military trials and from which Lictor DiViri assigns promising Hellknights dangerous quests. The upper halls serve as DiViri’s personal quarters.
Bastion Tyrallanan is the mighty garrison of Citadel Vraid. The majority of the Order of the Nail’s Hellknights rest in these expansive barracks and train for upcoming travels. While a significant number of Hellknights maintain posts defending the citadel, most of the knights work to achieve goals away from their headquarters. The fortress’s seclusion makes it a useful staging ground, but it is hardly at the fore of the Hellknights’ campaigns. As such, many of the Hellknights found at Bastion Tyrallanan don’t have personal chambers, their stay being temporary while they prepare for their next quest.
Bastion Feroll holds that which the Order of the Nail deems worthy of keeping. The fortress’s distinctive towers not only watch those who approach the citadel and hold quarters for the resident signifers, but also guard the libraries and histories of the order. Below lie the Hives, a series of cell-pits covered by thick grates. Groups of prisoners—such as whole brigand bands or noncombatant tribal members—are often thrown here while the Hellknights determine what to do with them.
