What is an Upgrade Item in World of Warcraft?
Upgrade items are items that can be added to weapons, armor and trinkets to increase their stats. You can get it by completing high-level keystones dungeons.

Trainers will require an upgrade to advance Porygon into its final evolution, Porygon2. These unique items that evolve are extremely rare and can't be found by spinning PokeStops or Gyms.
Components
In computer technology the term "hardware" or software" refers to a hardware upgrade replaces an older version with a newer version that has additional features or functions. Upgrades are generally performed to make a computer system faster, more reliable or capable of handling greater amounts of data. Hardware upgrades can include storage devices, such as hard disk drives, processors, and motherboards. Computer upgrades should always be compatible with the specifications of the computer that is being upgraded.
In Guild Wars 2, upgrade items can be inserted into armor, weapons and trinkets to provide an attribute bonus or other effect when the equipment is being used. To be accepted as a component, it must have an upgrade slot open and be above or equal to the level specified.
Components can be purchased from vendors in Night City or obtained by disassembling items which don't function. They can also be found in random locations around the world. Components can be purchased from vendors even in the event that the item isn't suitable for the level at which it is sold.
There are many kinds of components. Universal upgrades (such as gems) can be placed on all equipment, but they offer fewer bonuses than those that are restricted to a specific kind. Jewels are only available in trinkets. They also offer a larger bonus than any other upgrade.
There are also inscriptions which are unique upgrade items that are only placed in a trinket. They can be used to increase an experience multiplier. They can be extremely useful to min/max a character since they are relatively inexpensive to acquire, but don't stack with other experience modifiers.
Infusions are a different type of upgrade item that can be added to non-ascended and legendary armor, in addition to other non-legendary back items. You can retrieve them using the tool for extraction of infusions or salvaging them using the Ascended Rescue Tool. An important thing to note is that upgrading an item using infusions can cause the item to have a distinct name. For instance, adding an infusion of Rune of Minor Vigor to an Tyrian Armor will cause it to display the name "Radiant Tyrian Armor." In the hover display, an inscription will appear as an Inscribed weapon.
Glyphs
Glyphs are items that enhance the specific substatus of a piece. They can be found in a variety of places, but the most popular way to find them is through the completion of Nightmare Dungeons and Helltides. item upgrades can also be found through the Faction Crypts. The Glyphs you find in the crypts are class-specific, therefore ensure that you only claim those that are applicable to your character. Once you have a lot of Glyphs, you can go to the Glyph Altar located in the middle of Teleria to spend the Glyphs. This altar will increase your magical item's value by a specific amount, based on the Glyph you choose to use.
Generally, the glyphs that are available will give you a boost to your primary stats, but some will have other effects, such as increasing healing, damage or resistance. Glyphs are an excellent option to upgrade your gear, but they can be difficult to acquire and use. The best way to make sure that you get the most value from your glyphs is to upgrade them regularly. Glyphs upgraded will be displayed as they are in your inventory.
Certain dropped items come with the default glyph, which will automatically upgrade when you upgrade the item. This only applies to the original enchantment and not the glyph that was created manually on the item. Glyphs which automatically upgraded will always have a higher ranking over the glyphs you manually created.
Glyphs are a crucial part of the crafting process. They let you change the prefix to an experimental affix for gloves, boots, and belts. Glyphs of Insight can be difficult to obtain, though due to the RNG element of their crafting could cause them to be not available when you need them. To assist players, we've developed Glyph of Insight crafting spreadsheet to help.
A few tips for obtaining Glyphs of Insight quicker include choosing dungeons that are shorter and are easier to complete, like Witchwater. The dungeon is linear in layout, making it simple to navigate and defeat enemies. Consuming health potions between the dungeons will speed up the process.
Rerolling
Rerolling is the process of replacing an upgraded item with a different one similar to it. This process alters the item's extra stats, but doesn't affect its level or attachment slot. The price of the new item will be based on its level and rarity. This can be done with rings, armors, weapons and other items.
item upgrade are a way to boost the stats of units in Guild Wars 2 They are available in a large variety, and can improve a variety of characteristics. The upgrades increase the physical power, spell power and health of armors, weapons, and rings. The upgrades also add various other capabilities to the unit. The player can use an item by placing it in the appropriate slot on the unit's portrait.
Players can upgrade their items by recycling them. This will fill a progress bar and increase the value of the upgrade. Recycling up to six items simultaneously is possible, and points earned for recycling increase depending on the rarity and value of the item. The upgrade is random and cannot be guaranteed.
Rerolling or not is dependent on the player's personal preferences. Some players prefer to reroll so that they have a strong collection of strong characters to carry their game while others might choose not to reroll as they prefer playing with their preferred character regardless of their power.
Rerolling can be costly and requires a lot of effort therefore you must carefully consider the pros and cons. Get advice from other players if you are unsure which method of rerolling to use.
Playing regularly and accumulating an abundance of tokens will increase your chances of obtaining high-quality Rerolls. You'll have enough tokens to replenish your upgrade items, if necessary. Additionally you can also increase your chance of winning rerolls by playing the game with the highest difficulty setting. If you are having trouble finding an upgrade that is worth your time try playing the game with the most difficult or hardest difficulty setting.
Sets
If an upgrade item is put on a unique or set item, it will give that set a special bonus. These bonuses can differ depending on the upgrade type. If an upgrade is put on a guardian set or ring, it will give an increase in def, while a weapon upgrade will increase the aoe damage.
Upgrades can be beneficial, but their effects are not always the best. If there are already near perfect versions that aren't upgraded of a high DPS item (whistan’s shield for FB Sorcs, for example), upgrading it may not be as beneficial. Also an item that offers value due to its unique affixes can also be very useful even in its non-upgraded state (goldwrap is an excellent option for caster dps).
The player must visit NPC [Armorthe Armor] Boboko located in Central Flarine to upgrade a set piece of equipment or weapon. The player will require 1 of three Power Dices, dice 4, 6, or 12, which could be dropped by monsters aged 21+ or Giants in addition to the required amount of Erons and minerals. If the player wishes to roll a new upgrade item and wants to roll it again, they can do this by pressing a green button, with circular arrows when in the items menu.
This will replace the current item with a brand new item with different stats. The base item will also change. This is an option for those who want to get the most from their equipment. It can boost the defense roll to its maximum, the base item's affixes or even swap the base item with another item in the same upgrade category.