During the event, you can get Adamas stone from the package of March.

Event time: From 0:00 24^th Feb to 23:59 10^th Mar (GMT-8)

Event:　Acquiring goodies listed below by clicking on the "Empire Package" on the upper-left  of the "Town" interface after purchasing the "Mysterious Gift"                  

Adamas stone*1   VIP Card(3 days)*1    Magic Energy Core*1

Empire Key*1        Golden Key*1               Magic Key*1

Protection Rune (1 day)*1

Tips:

You can buy the "Mysterious Gift" in the shop. Original Price 660 diamonds and now 199 diamonds．

3 exchange issues can be completed in order to acquire rewards. Unveil more details by clicking on the "empire Package"

Empire Craft Team