Rules

1. During the event, you can use pickaxes to crush the ice for the treasure sealed within
2. Before you start exploring each floor, you can select a reward as the Ultimate Treasure for that floor. You can advance to the next floor after finding the Ultimate Treasure
3. You can change the Ultimate Treasure before it is found without affecting the progress of your search
4. There are more bountiful rewards in supreme chambers(room numbers of multiples of 5)
5. The more times you search for the Ultimate Treasure the higher the chance of finding it as you become more familiar with the chamber layout

Missions

Complete Missions to gain additional pickaxes to use during the event (resets daily)

• Call rally and hunt down 1 polar terror
  • rewards 5 pickaxes
• Make 5 alliance contributions
  • rewards 5 pickaxes
• Raise 30,000 power by training/promoting troops
  • rewards 6 pickaxes
• Make any purchase 1 time
  • rewards 10 pickaxes

Ultimate Treasure

The Ultimate Treasure is guaranteed after 14 searches on common floors and after 22 searches on supreme floors

Other Rewards

Milestone Rewards

Get additional rewards by completing a certain number of floors