Hey OPPILlF, Some users are unable to properly unlock this Achievement/Trophy and/or emblem. Bungie is aware of this issue and they are investigating. Please see this thread for this issue and other discovered issues: https://www.bungie.net/en/Forum/Post/213318340/0/0[quote][b]Student of History Trophy/Achievement - Sigil of the Young Wolf Emblem[/b] We are investigating player reports that the Student of History Trophy/Achievement is not functioning properly. We recommend players follow the troubleshooting steps listed within this [url=https://www.bungie.net/7_A-Trophy-or-an-Achievement-did-not-unlock-in-the-g/en/Help/Article/12242]Help Article[/url]. If this does not resolve the issue, please post a report below. [/quote]