Guild Wars In-Game Store

The Official Guild Wars Shop can be used to purchase chapters of the game (Standard Edition only) and upgrades. All purchased goods will be added to your Guild Wars account automatically so no physical shipping will happen, you'll not even receive a key. The only way to pay is by using a credit card.

Chapters

 * Prophecies (49.99 USD / 44.99 EUR / 29.99 GBP)
 * Factions (49.99 USD / 44.99 EUR / 29.99 GBP)

Upgrades

 * Additional Character Slots (up to a total of 32 slots, 9.99 USD / 8.99 EUR / 5.99 GBP each)

Bugs
If your billing address is outside the USA you have to select country USA first then select state Other and finally select your own country. Otherwise you will get an error message telling you not to select a US state while selecting a country other then USA.