Board Thread:Suggestions forum/@comment-27704072-20160525211124/@comment-26453572-20160526113042

The idea is that it wasn't their main weapon. The Nazgûl used swords as their main weapon. In lore, the morgl blades are only meant for stabbing, and once the tip of the blade is inside of someone, the blade breaks (meaning you only get to stab someone with it once).