WoW Upgrades - The Item Upgrader
Upgrades will give you a boosts in certain statistics. Each upgrade increases the item level by +3. A random substat is also added to every upgrade.
The upgraded gear typically has a more value in trade as long as it meets low requirements (like the FB sorc's shield) or a very high stat variation (like Eth titan weapons). These types of gear get less value from upgrading due to the necessity to roll to get a perfect version.
Recycle Points
The item upgrader allows players to upgrade their gear to a higher item level by providing the appropriate currency to the NPC. Upgrades can be applied on any kind of armor or weapons. The item used to upgrade the item will be consumed and can't be used again. Upgrades can be applied to the enchantments.

The upgrader can be found in all major cities, and is accessible at any time to upgrade your gear. item upgrades is recommended to visit the upgrader once every couple of weeks to keep your equipment up to date.
The cost of upgrading will be based on the current item level of the gear being upgraded however, they will always be cheaper than purchasing new gear from other sources. Upgrades such as upgrading a Benthic chest to the level of ilvl385 will cost you 20 recycle points. If you purchase a similar item, it will cost you 105.
Valorstones
Upgrades are items that can be used for weapon, armor, tool and accessory upgrades. They can be purchased by players through NPCs who sell upgrades to item owners for a variety of currencies. They can also find them in random treasure lists. Once an upgrade has been purchased it can be used on any weapon or tool using the help of The button will show a preview of an item's next level of upgrade, in the event that there are enough materials.
The cost of upgrades varies based on the slot of the item and the current level of the item and the weapon's price is higher than gloves or bracers for instance. Each step costs 15 Flightstones plus a set number of crests. Some upgrades offer discounts on Flightstones. Once an item has been upgraded to a certain amount, it can be downgraded and sold to the upgrader at a lower cost.
Item upgraders can be found at many locations on the main island as well as some outposts. The NPCs offer an upgrade coupon and the possibility of obtaining the latest recipe. The upgrade discount increases depending on the amount of items being upgraded. It is also possible to be boosted by requiring players to complete specific achievements or quests.
Contrary to Cromwell in Baldur's Gate II there is no item upgrader available at the beginning of Icewind Dale. The NPCs that can assist with upgrades are only accessible via a variety of ways. This is both a benefit and a disadvantage.
In Season 3, many new features were added to the upgrade system. After the player has upgraded to a specific level for an armor slot upgrading other items to the same level, will cost less. This is true even if the items are from another set of equipment.
The discount is available to all accounts. The amount of Harbinger Crests required to upgrade is reduced also, but is only available after certain milestones are achieved.
Crests
When it comes to upgrading gear in WoW players have a variety of options. Flightstones are an option that is accessible to all players for upgrading. Crests are more specific, and are used during specific level upgrades for items. Crests are an important part of the Dragonflight Gear Progression System that was introduced in version 10.1. They come in four ranks.
First, you must be aware that Crests are only available to equipment that is of a certain rank. Each rank has a different upgrade path. The easiest and most straightforward upgrade is 15 crests. The most complicated upgrade can require up to 20 crests, based on the type or equipment that is being upgraded.
Players can earn crests by completing content at the appropriate level. This could be by engaging in outdoor activities or taking on dungeons and raids of all difficulty levels to obtain lower-tier gear or Mythic+ raid bosses or dungeons with a heroic difficulty to obtain endgame gear. Crests can be exchanged at an upgrader NPC like Cuzolth in Dornogal, or Vaskarn in Valdrakken, for the appropriate upgrade routes and steps.
The new currency system isn't difficult to use, but it brings some modifications to the upgrade process. For instance, once an item reaches the highest level of upgrade for any rank (Explorer, Adventurer, Veteran, Champion, Hero, or Mythic) it will no longer require Flightstones to be upgraded. This change allows players to upgrade their gear to the highest possible ilvl on all of their characters, instead of relying on seasonal loot.
Another significant modification is that crests have one usage and it's crucial to use them properly. For instance, it's a good idea make use of all your Whelpling-rank crests with the best equipment available, and then save Drake and Wyrm crests for the next batch of upgrades you're planning to create. This is especially relevant for trinkets and rings that occupy multiple slots on the character which will only be able to take advantage of the discount for all accounts when all of the slots are filled with high-quality gear.