[Event] Special ADV Manual Box

- Description: A box with a manual to earn more certificate seals. However, you don't know which manual is in the box. ※ You can obtain [Event] Spring Semester's Certificate Seal x12 by completing a quest via one of the manuals obtainable from the box. Right-click to obtain one of the following according to a set probability: Old Moon Manual (Subjugation) Old Moon Manual (Gathering) Old Moon Manual (Fishing) Old Moon Manual (Training) Old Moon Manual (Cooking) Old Moon Manual (Alchemy) Old Moon Manual (Barter)

- Additional use requirements are not yet decoded; this is not a complete eligibility check.