MapleStory Database › Items › Use items › Character Modification › Mastery Book › [Event Mastery Book] Slash Storm 20
[Event Mastery Book] Slash Storm 20
[Event Mastery Book] Slash Storm 20 is a mastery book (character modification) in GMS v271. Sells to NPCs for 1 mesos.
100% chance of increasing the Master Level of to 20.
Job: Dual Blade
Condition: Skill Level 5+
Quests
Reward from
1 quests in 1 zones
Ellinia (1)