World of Warcraft Item Upgrades
item upgrader kit upgrades can be used to increase the stats of a particular Best item upgrader. Based on the type of upgrade, it may boost an item's Mark Level or Rarity, as well as boost other stats.
Each Item upgrader has a track to upgrade it. Each upgrade increases the price of the next item by a specified amount.
Item Level
When an item upgrade is upgraded, its base stats are increased in value. This is the sum of all of the perks that are leveled up (attack magic attack and defense). Upgrades can be expensive, depending on the person you hire and what you decide to do. This is due to the sheer number of perks that need to be changed in order to upgrade an item.
It can also be used as a gating requirement when queueing for raids, dungeons and scenarios. It can also be used to limit the amount of PvP gear players can use since PvP is not available at lower levels. Players can view their average level of items on their character sheet.