I started playing the game 2 months ago, and it looks like I need to complete the quest "A Challenger Rises" in order to access proving grounds, but I can't seem to figure out how to start the quest now since I don't have the older seasons. Any help is appreciated. [spoiler]Moderator edit: This thread has been moved to the #Help forum where you can find answers and troubleshoot any Destiny in-game / bungie.net / companion app issues, courtesy of other helpful players and [url=https://www.bungie.net/en/forum/Post/132304704/0/0]Mentors[/url]. Feel free to private message the moderator who moved your post, link to topic, for further clarification about why this topic was moved.[/spoiler]