https://articlescad.com/upgrad....e-item-whats-the-onl
World of Warcraft Item Upgrades The item upgrade feature lets players upgrade their equipment. This can be done at any upgrader NPC. Generally, upgrades boost an item's main stat and give it additional benefits based on the type. Examples include Whistan's shield, for FB Sorcs, and Goldwraps for caster builds. Armour Armour is one of the most important factors that keep Link safe from harm in most situations. Although it isn't upgraded like weapons, you can still improve its defence capabilities