Originally Posted by ShadyShall
No you still have to complete a tour with every class. but if you delete the bad data (the file that crashed and did not give you the achievement), and then redownload your stats from the origin servers, the next time you complete a tour, it should trick it into REALIZING that you have infact a tour completed with each class, and give you the achievement.
Thanks ShadyShall! I understand now.