Speak with Roskin to activate quest and receive Elder wooden box. Roskin will ask you a series of questions. You should accept the first answer in the list, as other answers can / will terminate the activation sequence.
Return to Roskin for the final cutscene and your reward (8000 Baylds).
PART 2 (Mandatory to progress with next quest (complete the quest series))
You can do this specific item, as part of the previous quest A Thirst for the Eons. Enter Rala Waterways from (F-7) Eastern Adoulin. Examine a blank target in Rala Waterways (N-10) for the question, "What entity keeps the Sacred City safe?" Solving the cipher contained in the Memo found in Rala Waterways gives the answer ERGISADE. This will reward 10,000 bayld.
Check the History stacks in the library to start a pop quiz on Adoulinian politics and zoology. You will need to answer 12 questions correctly. Upon failure you must rezone to try again, but you will have more time to answer per question, and the total number of questions will increase.
Some questions are general trivia:
The Library is run by the Scouts Coalition.
Raptor fights are held in the Watergarden Coliseum.
The fountain in Western Adoulin is the Font Xanira.
Celennia Wexworth hailed from Rhazowa.
Sverdhried Hillock was the father of rune fencing.
The Rala Waterways were constructed 200 years ago.
Cafe de Larmes is located in Eastern Adoulin.
Pungent Fungi reside in Cirdas Caverns.
Leafkins are in Leafallia.
The Zoldeff River runs through Foret de Hennetiel.
The king's lineage was originally held by Adoulin.
Vortimere is the current Archexorcist.
The body of water to the east of Adoulin isles is Sea of Zafmlug