User blog comment:Litlmamaini/Mysterious Crystals!!/@comment-5303258-20121009030831/@comment-5218270-20121009042222

I know you get it as an award for that challenge, but I'm only at level 54. I'm afraid it will no longer be offered as a challenge award once I get there. But I've decided to try to hurry hatch it and save up for the pirate storage instead.