I have been trying since release to get a Wormsinger rune on the dreadnaught. I kill every wizard and knight I see, and haven't gotten a single rune to drop. Is this a bug, or do i need to remove something from my inventory first? The only thing I get is another Agonarch rune every single time I kill the daily taken major without one in my inventory (I delete them all because I have 3 already). Its highly annoying since I would like to finish getting all my fragments. Any help is appreciated. UPDATE 9/28 I've gotten a bunch since then, they mostly seem to drop in Court of Oryx and the Hall of Souls for me. Only the first key you get from the rune gives you a fragment, the rest of the keys don't.