Ehhhhhm, hi guys, so a log time I remember that they changed the upgrade system and they have post the chances of geting the upgrades, I mean 12-13 has 2% and thinks like that, if i remember correctly.
So if some one has the link to it or remember the changes i will be very happy and thankful.
Btw sorry if this is not in the correct category in the threads im kinda new over here.