So these runes... are they like Norse runes, or some other unique set of symbols? Can you describe some examples of what they look like? Are they simple or complex? Do they vary between individuals, or is it a consistent set? I can almost imagine them as tricks of light, but then that doesn't explain the singing (I think I need to add some singing to our RP -- maybe something MC does in his downtime when he thinks he's alone... or maybe a form of long-distance communication they use amongst one another, like their version of CB radio).