Hello there, Thank you very much for reaching out to us. I'm sorry to hear that you are having issues with Devil's Lair not ending as intended, causing issues with this quest. We've received reports of this occurring on various Strikes and are investigating the underlying issue further. For any updates on this issue, we recommend viewing our Patch Notes as they become available, posted on the [url=https://www.bungie.net/7/en/News]News page[/url].