Board Thread:Questions and Answers/@comment-16190015-20140602051933/@comment-24956068-20141228190937

AkariK6 wrote: Been trying to upgrade my Frozen Cracker for a while, from +4 to +5 I've failed like 5 times in a row. 90% indeed... 4 is a mystical number that somehow Chinese said it is the unlucky number - proof that I often gets failed on +4 upgrade about more than 20 times, but I remember only failed 2-3 times on +5 upgrade (and that happens on A grade treasures).