Welp, this is a tough one.

Level 5 - Reach Level 5 (done)
Level 10 - Reach Level 10 (done)
Level 15 - Reach Level 15 (done)
Just the Beginning - Finish a thread with at least a score of 55 (full rubric) or 6 stars (normal judgment). (done)
Writing the Future - Finish a thread with at least a score of 65 (full rubric) or 7 stars (normal judgment). (done)
Legendary Tales - Finish a thread with at least a score of 75 (full rubric) or 8 stars (normal judgment). (done)
Judge's Choice / Althanas Choice - Scored 75 (full rubric) or 8 stars (normal judgment) and above on a thread, and received a recommendation from staff! (done)
Professional Job - Won an Althanas tournament match! (Serenti, done)
Happy Shopper - Purchased an item from the Bazaar. (done)
Core Member - Awarded to core members of the community for their contribution to Althanas! (done)
Apocalypse Now - Participated in the Featured Quest "The End of All Things" (done)
Best Supporting Character - Reached 2nd place in the Adventurer's Crown (first one?)
The Corporate Ministry - Won the Lornius Corporation Challenge! (done, 2018? no idea when)
Striking Gold - Won the Serentii Invitational! (done, 2014? who the hell knows)
Althy Award - Awarded for winning an annual Althy Award. (done, anti-hero)
Making a Statement - Won an Althanas vignette (done, again, long time ago)

Obviously a lot of these are quite old. I'm happy to dredge through anything that is questioned here; Shin I can PM exchange with you anything you need to fact-check.