Board Thread:Questions and Answers Forum/@comment-67.237.230.227-20150718091719/@comment-24057866-20150720033305

Well, apparently, we were wrong:

https://www.bungie.net/en/help/article/13160

Bungie wrote: We are currently aware that Husk of the Pit is not dropping when killing Blades of Crota, which can only be found on Earth within the “Fist of Crota” story mission.

We will provide updates as we investigate this issue further.