Upgrader

Prior the gameplay patch 5.65, upgradable items did not use any recipe scrolls. Instead, smaller upgradable items were combined by basic item components, while some medium and most bigger upgradable items used an item called Upgrader. The Upgrader itself had absolutely no effect at all and had a cost of 1500 gold. It acted as a common "recipe scroll" for many items.

The following items used to require the Upgrader to be built: