This is the forum for helping you out if you're stuck in Grimrock 2 or if you want to discuss about the mysteries of the Isle of Nex. Warning: forum contains spoilers!
Im almost into the endgame, and as of yet, no such luck. But I did find something that is sorta similar:
SpoilerShow
I found a lightning bow that has a special attack that shoots an enchanted arrow. The arrow itself isn't enchanted but it does lightning damage just the same.