MapleStory Database › Items › Use items › Character Modification › Mastery Book › [Mastery Book] Mystery Mastery Book
[Mastery Book] Mystery Mastery Book
[Mastery Book] Mystery Mastery Book is a mastery book (character modification) in GMS v271. Sells to NPCs for 500,000 mesos.
Transforms into a random Skill Mastery Book upon use.
Quests
Reward from
2 quests in 1 zones