A secret knowledge compilation compiled by servants of ancient gods. The symbols inscribed on the surface of the figure contain information about the corruption called Shiass, as well as methods of its extraction and purification. To study this Thesaurus, your Sacred Knowledge skill must be 17 or higher.
By acquiring the knowledge stored in this Thesaurus, you will be able to obtain Large Shiass Fragment upon defeating a more powerful corruption creature.
Mission Items
Level 19
