Board Thread:Game Discussion/@comment-87.59.42.184-20131018101951/@comment-15683865-20131021161328

That has to be a screw up on gree's part, every other boss collection period has been a week after the final boss. I think they'll change that soon. Or it could be a dirty trick to get some more money by forcing players to use gems to kill the bosses fast enough, which I wouldn't put past them.