DoTA

Reworked post ranks. Reduced the amount of required posts, now Death Knight rank can be reached with merely 10k posts (previously was 50k). Changed rank images for few ranks (those that no one has reached yet, old ones were just a placeholders) and added quite a few more ranks with their images (haven't had the time to come up with good titles for them, and it's not like anyone is going to reach those any time soon, so I've left them without proper titles for now) up to 100k posts