Board Thread:Game Discussions/@comment-23870891-20140326031949/@comment-108.65.218.158-20140331130241

It's a glitch from the last terrible update. GREE has stated that they are aware of it and it will be fixed in the next update. No word on when that update will be.

So if you just need to enhance that armor, you'll have to spend crystals in the Summoning Circle.