The Snowball Chest is a limited edition Chance Chest that was released on November 5th, 2014 and ended on November 8th, 2014. The new Epic released in the chest is the Glacial Regalia which is a Water/Spirit Epic Armor.
1 Chest: 30 Gems
11 Chests: 300 Gems
40 Chests: 999 Gems
11 Chests: 5 Water Fusion Boost Armors
40 Chests: 20 Water Fusion Boost Armors and a ???