Job Master
From PoringCityRO Wiki
The Job Master NPC is a special NPC implemented to serve as the primary option when changing classes. By using this service, players will be able to minimize the time needed to reach the 3rd Classes and enjoy them in a Pre-Renewal environment.
Location
The Job Master NPC is located at the center of Prontera City (prontera 153,192). As a bonus, players don't need the usual materials needed to change classes.
