We can buy every other material apart from wormspore. It is extremely frustrating considering how scarce wormspore is on the dreadnaught as well. Edit - A lot of guardians suggesting Eris Morn should sell it. I'm fine either way, just as long as it is purchasable! [spoiler]Moderator edit: This thread has been moved to #Feedback forum so that other Destiny players can weigh in. See [url=https://www.bungie.net/en/Forum/Post/139533839/0/0]Cozmo's thread[/url] for more information about the #Feedback tag and its uses. Feel free to private message the moderator who moved your post, link to topic for further clarification about why this topic was moved.[/spoiler]