Enhancement

An enhancement is an item that can be obtained through a variety of methods such as Holiday events or monster drops; each enhancement provides either a temporary or permanent bonus to your character or weapon.

Upgrade components
Permanent enhancements are known as upgrade components. They include Insignia, Runes, Inscriptions and numerous weapon prefix upgrade components and weapon and offhand item suffix upgrade components.

Temporary enhancements
Additionally, there are temporary enhancement items, such as scrolls and food. For a larger list, see list of consumables.