How to unlock master in USKO: the level 60 quest, NPC and materials
The master quest opens at level 60 with your class NPC in the home castle. One Unstable Centaur' Heart plus two essences per class: Warrior, Rogue, Mage, Priest and Kurian table.
Knight Online
Getting started & leveling
Knight Online guides for new players: first steps, leveling, skill quests, EXP boosts and maps.