Talk:Summer 2015 Crystal Bingsoo/@comment-25386610-20150626183011/@comment-25889587-20150627172727

It's worth the upgrade for me. Everything that increases my crystal count is worth spending lots of coins for me. I had 3 million coins, so I spent 1 million to get the 76% chance. Since it expires on August, I wanted to maximize the treasure as much as I can.