Treasure Boxes

Treasure boxes are scattered across each map. They contain items such as: There are many types of treasure boxes (listed in order from common to rarest):
 * Supplies
 * Currency
 * Crafting Materials (Artifacts)
 * Treasure (Artifacts)
 * Small Box: contains 2-3 random items
 * Supply Box: contains at least 4 supply drops that are based on the gamemode.
 * Medium Box: contains 4-5 random items
 * Wealthy Box: contains at least 3 currency drops
 * Artifact Material Box: contains at least 4 random crafting materials for artifacts
 * Large Box: contains 6-7 random items
 * Artifact Box: contains 1-2 artifacts
 * Grand Box: contains at least 8 random items
 * Divine Box: ???