What is an item level upgrade Upgrader?
Item upgrader allows players to increase the quality of their gear. The upgrade of items requires the right currency and items. For armor and weapons, this includes Valorstones and Crests.
Other upgrades, like Hot Potato Books, give weapons a boost in stats or allow them to be used in Dungeons. These upgrades are generally available in the cash shop.
Leveling
An item upgrader lets players increase the quality of their equipment from various sources. Depending on the item level upgrade type and upgrade track, it will cost Valorstones or Crests to increase an item upgrade's levels. Weapons, for instance, cost more than gloves or bracers.
You can also Best item upgrade items in the game. These upgrades are known as upgrade shards, and they can be obtained by defeating bosses in any level of dungeon. These shards can be used to upgrade armor and weapons sets, allowing them to reach their highest level. However, they can only be upgraded once.