Serghetto Box I

Source

 * Magic Materials also known as Development Merchant
 * Golran, West Side Merchants in Highwatch
 * Sheryland, Hall of Accord in Highwatch
 * Teechand, Bazaar in Highwatch
 * Roynas, Agora in Allemantheia
 * Erenne, S of Martial Symposium in Allemantheia
 * Eldust, Notus alley in Velika
 * Leveire, Boreas Alley in Velika
 * Lakram, Link Street in Kaiator
 * Dhurak, High Street in Kaiator

Note: Tooltip is incorrect as the Serghetto's box is available from Development Merchants only so far.

Items from Sergetto's box

 * Serghetto's Box II
 * Lv.66 Skill Advancement Book
 * Lv.68 Skill Advancement Book
 * Lv.70 Skill Advancement Book
 * Refined Duranium Medallion
 * Enhanced Duranium Medallion
 * Flawless Duranium Crystal
 * Even though not listed this did drop out of Serghetto's Box VIII