Class trainer

A class trainer or just "trainer", is an NPC intended to assist playing characters promote to a prestige class, train granted powers, or read the lore associated with their respective classes. Class trainers are located in game-generated cities such as Aeldereth and are available for players to host in their own cities as well.

Refiner

A refiner is a special NPC that allows players to buy back their spent training points and spend ability points. The cost of the refiner increases exponentially as each point is bought back. After a period of thirty minutes, the cost is reduced by a value of one training point. There are no refiners in game-generated cities, you can only find them in player-built cities. A player may only slot the refiner in the "Wizard's Tower" building.