Talk:Special Events/@comment-60.50.204.169-20150520111152/@comment-50.14.50.59-20150520225656

actually you'll find yourself starving for them as you play so maxing your units and trying to save as many of these as you can would help in the long run.

On average using 1 metal key and all the energy to complete metal parade would get you about the same experience as a crystal unless you were lucky and found 1 or some gods, but sometimes all the get is kings and ghosts ._.