Board Thread:Roleplaying/@comment-26103034-20150525210032/@comment-26103034-20150526200022

Once in Karmugez, they confirm that they can craft them using Soul Gems and Centurion Cores, as long as they aren't damaged. Occasionly the targeting system breaks, as they don't completely understand it, but the better the Soul Gem, the more reliable the targeting. It's extremely rare that one breaks though.