Igneous Summoning Stone

Description
Double-click to summon a Fire Imp ally of your level that lasts for 60 minutes or until slain in combat. Summoning stones can only be activated once every 60 minutes per character, and only one summoned ally from a summoning stone can be present in an instance at a time. This item has unlimited uses, cannot be used by level 20 characters, and can only be used in explorable areas. Customized for.

How to obtain
Type /bonus after doing one of the following: If one of these requirements is already met on an account, the Summoning Stone is available to them without any new purchases.
 * Purchase Guild Wars Trilogy (North America) or Guild Wars Complete Collection (Europe)
 * Purchase new versions of Guild Wars products in North America and Europe—look for the Fire Imp on the back of the box
 * Purchase the Guild Wars 2008 Upgrade or the Game of the Year Upgrade, available in the in-game store or PlayNC.com
 * Purchase any version of Guild Wars from the in-game store or PlayNC.com

Trivia
The skill effect you gain when using the item, Summoning Sickness, is a reference to Magic: The Gathering. In Magic, a newly-summoned creature card suffers from "summoning sickness" for the first turn, preventing it from attacking.