World of Warcraft - Item Upgrade
Item upgrade allows players to increase the level of armor and weapons that can be equipped. This boosts the stats of that equipment, and also sometimes adding buffs or rerolling an affix.
It is important to remember that upgrading your magic and common gear is not always worth it. Rare and Unique equipment will quickly surpass upgraded magic and common gear.
Cost
The player must pay gold to upgrade an item. The cost of upgrading an item is contingent on its current level and type of upgrade selected. Upgrades to weapons are typically cheaper than upgrades to armor, since weapons have lower requirements. The amount of Gold needed increases as an item is upgraded.
Upgraded items also come with enhanced stats that can boost its performance in various ways. This could include increasing the power of its attack critical strike chance, or damage per second. The upgraded item can also give additional bonuses to the weapon it is equipped with. These upgrades can be utilized for a number of reasons, including to boost the overall power of a particular or group unit. They can also have a major impact on gameplay.
The items can be upgraded at any NPC that is an upgrader in the game. These NPCs are located in major questing areas or capital cities. You can also find item-upgraders in dungeons that feature high-level bosses, and speaking to NPCs in garrisons of your faction.
The upgrade system for items in World of Warcraft provides players with the ability to upgrade the level of weapons, armor, and trinkets. This process is largely identical to the process used for gear reforging in Mists of Pandaria and Warlords of Draenor however, instead of using the currency appropriate to the task, players must visit an item upgrader NPC to complete the process.

Item upgrades can be expensive, particularly when it comes to weapons and armor. Depending on which upgrade track you choose, each item upgrade can cost Crests or Valorstones. The cost are prohibitive for those who do not have the funds or are unwilling to grind.
The game allows you to play a reroll of an upgraded item with a special tool in the items menu. This option lets you exchange the upgraded item with the level 1 version of it with a different set of bonus effects. This is a great way to get better rolls on items that have already been upgraded. However, it can be a waste of time.
Requirements
The process of upgrading equipmentable items like weapons, armor and trinkets is to raise the level of the item. This increases their power and makes them more effective in combat. Players can upgrade their gear by paying the appropriate currency at an item upgrader . However, they should be aware that certain upgrades require special requirements.
Initial upgrades only boost the stats of the base item by one level. Later upgrades give significant boosts. For instance upgrading a weapon from level three to level six can increase the weapon's damage by plus two levels. In addition, the upgraded item will receive an additional stat that is based on its tier. The bonus is a combination of a guaranteed substat as well as random generated stats that can vary from upgrade to upgrade.
A player can reroll an upgraded item by using a Reroll Token to exchange the upgrade for a brand new one. The new item will feature a different set of extra bonuses as well as a lower level of base item. The rerolled item is also likely to have different requirements for strength and dexterity. It is important to keep in mind that the rerolled item will not keep its original strength or any of its wasted resources.
Rerolling upgraded items is only possible if the item was upgraded was Epic, Rare or Unique. Exceptional items are also suitable for rerolling, however their original stats will be replaced with a flat bonus. Rerolling a Rare or Epic item will produce a Normal version, and doing the same with the Epic version will result in an elite version.
Upgraded items could have additional modifications that can enhance their performance and improve their stats. These additional modifiers aren't included in the upgrade cost. You can purchase them at the Trading Post, or through other players. Additionally, they can be earned through completing certain missions in the game.
To upgrade an item of equipment, you must visit the NPC [Armorto upgrade a piece of equipment, visit the NPC [Armor] Boboko located in Central Flarine. You will require Power Dices depending on the item. (Dice 6 are dropped by monsters 21+, Giants and Bosses; Dice 12 can be found from Bosses). You will also need various amounts of Minerals and Erons.
Time is a major factor.
Upgrades to items are a method to boost your ship's performance and gear without needing to level them up. Upgrades aren't cheap, but they are a good method to boost your stats without having to spend a lot of time in battle. It's crucial to know the cost and benefits prior to making the investment of time or money.
Each upgrade increases the stats of the item's base by in a specific amount, and gives a chance to get a bonus substat. The random substat could range from a small increase to a significant boost. It's best to focus on the best-in-slot items first, as they'll give you a bigger return on your investment.
You can view the amount of time needed to complete an upgrade when you open your inventory and choose an item such as a ship, weapon or other accessory. The upgrade window will show the expected completion time and progress. In certain situations, you might be able to speed up the upgrade process by applying an Glyph.
Black Lion Salvage or Ascended Salvage sell a top-quality salvage kit that allows you to recover all or part of the upgrade components. This does not apply to legendary equipment or upgrades that can be recovered using an Upgrade extractor or by returning the item to the Karma retailer.
Rewards
Item upgrading rewards players with a range of items and currencies. In addition, every upgrade is able to provide a random extra stat bonus. The amount of bonus differs between upgrades and is generally higher for rare items. Players can conduct the Great Vault search to see whether an item can be upgraded prior to spending tickets. The search can assist in determining whether the item is of a particular tier and whether the player could benefit from upgrading to a specific upgrade.
In the process of upgrading, an item will gradually advance to its next level however, it isn't always able to reach the full upgrade bar. This process uses Growthstones and Sollant but there is a chance of obtaining a fully upgraded item after just one cycle. The higher the level an item gains the more stats will be and the more items that can be upgraded.
Upgrade components can be integrated into weapons, armor, and trinkets to provide an attribute benefit or an additional effect when the equipment is in use. Certain upgrade components come with cosmetic effects. Upgrade components can be obtained through crafting, purchasing from vendors or the Trading Post, looting or receiving as a gift. Players can also find upgraded items using an Upgrade extractor or salvaging with a high-tier salvage kit. Glyphs that are positioned on gathering tools can be swapped freely.
By selecting the item and pressing the green button that has an arrow for rerolling the player can reroll it into another upgradeable item. This will change the layout of the item's window, and allow players to choose up to six items to "recycle". The item that is recycled can be exchanged for an item at level 1 of the same type. Rerolled items won't retain their current level or amount of resources needed to upgrade them.
An item's maximum upgrade level is determined by its tier and quality. Rare and Epic items can be upgraded to levels of nine, while common items can only be upgraded to level six. Upgrades to items are added to the base statistics of the item which means that they will no longer increase after a specific point.