been noticeing for a week now that everytime i refresh or enter and exit arena my number of challanges drops by 20 or more on challange quest.went from 180 down to 150today then went to arena and attacked 5 more came out and it was at 167 so decide to atttavk 10 more and it was back at 167.....this is getting old. i should of had this quest done a week ago.......just letting you guys know of this bug... i'm starting to lose intrest in this game due to all the glitches and bugs..