As the title says, I did whatever quest/bounty on my Titan that gives you an antiquated rune and the quest to beat the summoned creatures in under two minutes. Antiquated Rune actually appeared on the side of the screen as a reward when I turned the bounty in. Not in inventory. Turned same thing in shortly thereafter on my Hunter. Antiquated Rune appeared on side of screen as a reward. Not in inventory. There is definitely a bug or glitch here. I can't do this bounty! I believe the same thing happened on my Warlock, but I'm not sure since I did not see the rune come up on that character. I'm on Xbox One.