https://yamcode.com/item-upgra....de-the-good-the-bad-
https://jsfiddle.net/stepcomma3/swvkphy9/
How to Upgrade Items in World of Warcraft Always upgrade your top-of-the-line slot equipment first. This includes chests, helms, and legs. Upgrade your weapon following. After that upgrade your shoulder guards and belts. Also, upgrade your gloves and boots. Glyphs can be incorporated into weapons and gathering tools to upgrade components. Unlike other upgrades glyphs are easily removed and replaced. Glyphs Glyphs are a way to boost your character's strength in specific areas.