Mastery System (Ranks)

I will provide some photos I took a few ranks I got so people can try to guess how the Mastery System works (other peoples photos are nice as well as it creates a bigger pool)

http://i.imgur.com/VUPuelm.png http://i.imgur.com/9uRGdpo.png http://i.imgur.com/U2Zn2bt.png http://i.imgur.com/7TyD37d.png http://i.imgur.com/XTgy8US.png http://i.imgur.com/5tL2HTS.png http://i.imgur.com/YFmrMvn.png http://i.imgur.com/5SDamat.png