World of Warcraft Item Upgrades
Upgrades to items are a method to boost the stats of an item. Depending on the type of upgrade you choose, it can boost the rarity of an item or mark Level, and also boost other stats.
Upgrading gear in The War Within requires a specified number of Flightstones and Crests and each item has an upgrade track. Each upgrade increases the cost of the next one by a certain amount.
Item Level
When an item gets upgraded, its stats increase in value. The value is the sum of all of an item's upgraded perks (attack magic attack and defense). Upgrades can be costly, depending on who you hire and what you do. This is due to the sheer number of perks that must be altered to upgrade an item.
The level of an item is a commonly used measure of power, and is visible on all item tooltips. It is also used to determine a gating condition when queueing for dungeons, scenarios, and raids, as well as to limit the amount of PvP gear a player can wear (since PvP is limited to an lower level). Players can view their average level of items on their character sheet.
Using the item level can help players compare the potency of gear when deciding to purchase or sell. It's a measure of the item's condition and its quality. The item level can also be used to compare items when evaluating the inventory of a vendor.

The level of the item can be viewed by pressing the ALT key on a PC or using the left stick (L3) on XB1 and PS4. This will display the full item description, including its level. You can also find it by hovering over an item and typing in /itemlevel chat.
There are several theories about how the level of an item is calculated. One theory says that the item level is calculated by formulas that determine the worth of the stats of an item really are. It takes into consideration that different advantages are valued differently and that gems found in sockets increase the item's value. This could result in a calculated item's ilvl that is often very close to Blizzards actual item level.
However, this isn't the only factor that determines the ilvl of an item, since the size of the area the item dropped in can alter the value of its stats, for instance by adding a level to its haste or crit rating. This means that items dropped at higher levels will have more the ilvl than items from lower level instances.
Item Stats
Item stats can be the difference between a good or bad item for players. The game uses them in a variety of ways to encourage players not to limit themselves to one weapon and to encourage them to try out other weapons. The stat modifications of an weapon increase the base stats. These stat mods are then boosted by a player's skill.
The upgrades to an item can boost its stats. look at this web-site of an item determines its cost of upgrading. An item that is white or grey for instance, will only be upgraded once and items that has rare tiers can be upgraded multiple times at higher prices.
Another way to change the stats on an item is through affixes. These are special stat boosts that can be added to an item by the player and they come in all shapes and sizes. Affixes are used to give items additional damage, special capabilities (such as revitalizing dead or reducing cooling downs) or to differentiate them by putting a name on them.
All affixes can be being re-rolled right now by selecting them in the upgrade menu and pressing the green button. This will cost a certain amount of gold and other items. They can also be used as upgrade gauges as with other rerolling methods.
In addition to rerolling affixes, players can select which of the available stats to keep on an item after it is upgraded. The range of stats determined by the item's level. However every item will include at least one stat in the same range, unless it's a unique item, or a God Roll from a raid boss.
Another thing that can be modified by introducing an option to upgrade the equipment without rolling the affixes, or selecting which stats to enhance. However, as with the base equipment, this would need to be carried out on a per-item level, and the item compare interface would not display all the possible stats gained or lost at once.
Item Luck
The Luck stat of a player boosts the likelihood of locating items and the properties that are created by loot and the strength of these properties. It does not, however directly affect damage or the ability to upgrade items. It merely gives players a chance to upgrade their gear in earlier waves and is therefore more useful in the initial game run as opposed to later ones, because most players value more powerful weapon scaling and defenses over the raw damage gain.
Luck can also boost the likelihood of upgrading items at the Blacksmith. This should not be confused with the Blacksmith's overall upgrade probability, which increases with each item level and can be further increased through the use of an anti-material such as a Scroll of Strength or a Jewel of Blessing.
Weapons, shields, and armor can be created or spawned with the Luck property, with the default value of 40. These items can then be enhanced with golden ingots, spined leather, or oak boards (depending on the item's material type) to grant a further +40 Luck or to boost the existing Luck of the item up to 140.
Certain items, like the weapon that is infused with hollow, can also be equipped to increase the damage of any ability that causes damage by five percent. These items can be purchased in the shop or crafted by using the appropriate ingredients.
Item Failure
Not all upgrades are successful. However, there are cash shop items which allow players to increase their success rate or prevent themselves from losing an item in the event that the upgrade is unsuccessful.
The rate of success of an upgrade can be seen in the Honing UI. The percentage is the probability of successfully upgrading an item. This can be increased by using Additional Materials or Special materials. The chance of success can only be increased as much, and the chance that an upgrade will fail can't exceed 100%.
The success of an item upgrade is also affected by the luck of the item. All items have an overall success rate of 25 percent, and each item that has Luck increases the chance of success by 5%.
The upgrade overlays of the item are rendered above items in the inventory. This may obscure enchantment effects and other effects. If you wish to disable the upgrade overlays, the config option decoration.renderUpgradeOverlays can be set to False in the Item Upgrader CORE client config.