World of Warcraft - Item Upgrade
The upgrade of items allows players to increase the level of weapons and armor that are equippable. This increases the stats and sometimes adds buffs or rerolls to an attach.
It is important to keep in mind that while you can upgrade your magic and common equipment, it's usually not worth the effort. Rare and exclusive equipment will quickly surpass modernized magic and common equipment.
Cost
When a player decides to upgrade an item, they have to spend Gold to do so. The cost of upgrading an item depends on the item's current status and the type of upgrade. For instance, upgrading a weapon will typically be cheaper than upgrading armor, as weapons require lower levels of skill. The amount of Gold required increases when the item is upgraded to a higher level.
The upgraded items will also have improved stats that can improve its performance in a variety of ways. This could include increasing its attack power, critical strike chance, or damage per second. A upgraded item can also give additional bonuses to the unit it is equipped with. These upgrades are able to boost the overall strength of a group or a single unit, and could have a significant impact on the gameplay.
Any NPC that upgrades items can be found in the game. In general these NPCs are found in capital cities or major questing locations. You can also find item-upgraders by visiting dungeons that have high-level bosses and talking to NPCs in the garrisons of your faction.
The item upgrade system in World of Warcraft provides players with the option of upgrading the level of weapons, armor, and trinkets. The process is similar to the process of reforging gear in Mists of Pandaria and Warlords of Draenor however instead of using the appropriate currency players must visit an NPC for upgrading items to complete the process.
Upgrades to items can be expensive, particularly when it is related to armor and weapons. Based on the upgrade path each step in the level of an item can cost many Valorstones and crests. The cost can be prohibitive for players who do not have the money, or are unwilling to grind.
The game lets you reroll a upgraded item using a specific tool from the items menu. This option allows you to exchange the upgraded item with a version at level 1 which comes with an additional set of bonus effects. This is useful for obtaining higher scores on items that are already upgraded, but it can also be a waste of money.
Requirements
The process of upgrading equipmentable items such as weapons, armor and trinkets is to increase the level of the item. This can increase their effectiveness, making them more powerful in combat. Players can upgrade their equipment by spending the appropriate currency at an item upgrader . Players must be aware of the fact that some upgrades require special requirements.
Early upgrades increase the effectiveness of the item's base level. Later upgrades give significant increases. For example, upgrading a weapon from level three to level six will increase the weapon's damage by an additional two levels. A bonus stat will be added to the upgraded item based on its level. The bonus is a combination of a substat that is guaranteed and an undetermined stat, which will vary from upgrade to upgrade.
Reroll Tokens can be used to reroll an item which has been upgraded. The new item comes with distinct set of bonuses, as well as a lower level for the item. The rerolled item also has different requirements for dexterity and strength. It is important to keep in mind that the item rerolled does not retain its original level or any of its wasted resource.
Rerolling some upgraded items is only possible if the item that was upgraded was Epic, Rare, or Unique. Extraordinary items can also be suitable for rerolling, however their original stats will be replaced with an uninvolved bonus. Rerolling upgrade item will result in a Normal version the same type, whereas rolling an Epic item will result in an Elite version of the same type.
An upgraded item might have extra modifiers, which can further increase its stats and improve its performance. These additional modifiers are not included in the upgrade price. They can be purchased at the Trading Post, or through other players. Alternatively, they can be earned by completing specific tasks in the game.
To upgrade an item of equipment it is necessary to visit the NPC [Armor] Boboko in Central Flarine. Based on the type of item, you'll require one or more Power Dices (Dice 6 is available from monsters 21+ and Giants while Dice 12 can be obtained from Bosses). You will also require different amounts of Minerals, Erons and Giants.
Time is a major factor.
Item upgrades are a way to increase your gear and ship stats without the need to level them up. While it's not inexpensive, it's a good way to improve your stats without having spend a lot of time in combat. It's crucial to know the costs and benefits before making the investment of time or money.

Each upgrade increases the stats of the item's base by in a specific amount, and offers the chance of obtaining an additional substat. The extra substat is random and may range from a slight increase in one stat to a much greater increase in another. It's best to focus on the most effective items in the slot first, as they'll yield a higher return on your investment.
You can view the time required to complete an upgrade by opening your inventory and selecting an item such as a ship, weapon or other accessory. The upgrade window will display the progress and expected completion time. In some instances, you may be able to speed the process by using a Glyph.
Black Lion Salvage or Ascended Salvage sell a high-level salvage kit that allows you to recover all or a portion of upgrade components. However, this doesn't include legendary equipment and upgrades which can be recovered by using an Upgrade Extractor or reclaiming them with the corresponding merchant of karma.
Rewards
The upgrading of items provides players with currency and a variety of items. In addition, each upgrade can give a random stat bonus. The value of the bonus will vary for every upgrade, and is generally higher for items that are rarer. The Great Vault can be searched by players to determine whether an item can be upgraded. The search can assist in determining whether the item is of a specific class and whether the player could benefit from upgrading to a specific upgrade.
During the upgrade process the item will gradually grow closer to its next level however, it isn't always able to reach the fully upgraded bar. This process uses Growthstones and Sollant but there is an 80% chance of obtaining a fully upgraded item after just one cycle. The more levels an item receives the higher its boosted stat value and the more items it can upgrade into.
Upgrade components can be added to weapons, armor and trinkets in order to gain an attribute bonus or a special effect, while the equipment is being worn. Certain upgrade components can be equipped with additional cosmetic effects. Upgrade components can be acquired through crafting, purchasing from vendors or the Trading Post, looting or receiving as a gift. Additionally, players can recover upgraded items by using an Upgrade Extractor or by salvaging them using a top-quality salvage kit. Glyphs that are placed on gathering tools can be freely swapped.
A player can reroll an item into another upgradeable item by selecting it and pressing the green button a reroll arrow. This will change the layout and allow players to choose up to six items for "recycling". The item will be replaced with one of the level 1 items. Rerolled items will not retain their level, nor the resources used to upgrade it.
The highest level of upgrade an item can achieve is determined by its quality and tier. Rare and Epic items are able to be upgraded to levels up to nine, while common items are only upgraded up to level six. The upgrades to an item are added to the item's base statistics and do not increase after a certain amount.