The foundation of crafting in Path of Exile lies in the use of currency items. Unlike traditional gold or silver, PoE's currency items each have specific functions and can be used to Path of exile currency alter the properties of items in different ways. Some of the most common and essential currency items include:

Orb of Transmutation: Upgrades a normal item to a magic item, adding one or two random modifiers.
Orb of Alteration: Re-rolls the modifiers on a magic item.
Orb of Augmentation: Adds a new modifier to a magic item.
Orb of Alchemy: Upgrades a normal item to a rare item, adding several random modifiers.
Chaos Orb: Re-rolls the modifiers on a rare item.
Exalted Orb: Adds a new modifier to a rare item.
Divine Orb: Re-rolls the numeric values of the modifiers on an item.
Vaal Orb: Corrupts an item, adding powerful and unpredictable modifiers.
These currency items are the building blocks of crafting and are used to create and enhance gear with specific attributes tailored to your character’s needs.

In addition to currency items, Path of Exile features crafting benches, which can be found in your hideout. Crafting benches allow you to add specific modifiers to your gear, providing more control over the crafting process. Each master, such as Haku, Elreon, and Vagan, offers unique crafting options that can be unlocked by leveling up your relationship with cheap POE orbs them.