Board Thread:Current Major Glitch Discussion/@comment-128.218.73.121-20160726165711/@comment-28482541-20160728230141

It takes 25 days to earn a magic crystal. There are 5 pieces that take 5 days each to earn. It will tell you each time you earn a piece, but you have to earn all 5 pieces to get the crystal. Once you have earned all 5 pieces after 25 days, you should see it in your talismans box.

Hope this helps.