Monastery Credit

Acquisition
Monastery Credits are offered as rewards for doing quests on Shing Jea Island. There are several Monastery Quartermasters who will offer various rewards in exchange for the credits.

The following quests reward Monestery Credits:
 * Appearance of the Naga
 * Assassin Insignia
 * Cash Crops
 * Choose Your Secondary Profession (Factions)
 * Death With Honor
 * Dual Strike
 * Elementalist Insignia
 * Forming a Party
 * Lo Sha's Gift
 * Mesmer Insignia
 * Monk Insignia
 * Necromancer Insignia
 * Pest Control
 * Quimang's Last Stand
 * Ranger Insignia
 * Reaping the Naga
 * Revenge of the Yeti
 * Ritualist Insignia
 * Seeking a Cure
 * Sentimental Treasures
 * Shackled Spirits
 * Skin the Snake
 * Sparring Elements
 * Study Buddy
 * The Agriculturist
 * The Bog Beast of Bokku
 * The Captured Son
 * The Crop Thieves
 * The Naga Source
 * The Rite of Valor
 * The Siege at Tsumei Village
 * The Thieving Nanny
 * The Yeti Hunt
 * Togo's Ultimatum
 * Warrior Insignia

Like most quest items, Monastery Credits cannot be sold to merchants, and cannot be salvaged.

Conversion to cash
Each monastery credit can be converted to cash at a rate of 100 gold each, if you trade for one or more Scroll of Adventurer's Insight and sell them to the vendor. However, the greatest value for money (after the first two runes for your own bags) lies in trading them for Expert Salvage Kits for your own use, which would otherwise cost you the equivalent of 133 gold per credit. In any case, do not sell them to other players for less than 100 gold per credit.