Event Period: Dec 29 0:00–Dec 29 23:59 EST(GMT-5)
Event Details: 
Spend any amount of Gems as shown below during the event to win Energy:
Spend 1,600 Gems to win 60 Energy!
Spend 3,200 Gems to win 100 Energy!
Spend 8,000 Gems to win 200 Energy!
Spend 16,000 Gems to win 300 Energy!
Event Rules:
1. Players will only receive the highest reward tier they qualify for. For example, if you spend a total of 8,200 Gems, you’ll only win the rewards for spending 8,000 Gems.
2. All rewards will be sent through the in-game mailbox within 1 business day after the event ends.