MapleStory Database › Items › Use items › Character Modification › Mastery Book › [Mastery Book] Hurricane
[Mastery Book] Hurricane
[Mastery Book] Hurricane is a mastery book (character modification) in GMS v271. Sells to NPCs for 1 mesos.
This increases the master level of up to 20 with 70% of chance.
Class : Bow Master
Condition : Skill level above 5