Mystery Box Lv. 5 (Time-limited)

Craft a Mystery Box Lv. 6 from Special Crafting at a certain rate, or exchange for the following items through the Dimensional Merchant\n\n<Exchangeable Items>\nFreeze Breastplate Pack x1: 2\nFreeze Gaiters Pack x1: 2\nThunder Leather Armor Pack x1: 2\nThunder Leather Leggings Pack x1: 2\nFlaming Tunic Pack x1: 2\nFlaming Stockings Pack x1: 2\nMana Helmet Pack x1: 4\nStun Gauntlets Pack x1: 4\nEvasion Boots Pack x1: 4\nRevenge Shield Pack x1: 4\nFatal Sigil Pack x1: 4