Skill books that are obtainable through this Fortnight would depend on the level of the stage:
1. Veteran: Gum-Gum Pistol
2. Elite: Gum-Gum Bazooka
3. Expert: Gum-Gum Twin Jet Pistol
Aside from acquiring Luffy's skill books, you will also be able to recruit
1.
Knowledge Slasher
Captain Effect: 2x Boost ATK of Knowledge Attributes
Special Attribute:Turn Food Slots to INT Slot
HP: 1,666
Attack: 757
RCV: 135
Useful alongside with Brain Point Tony Tony Chopper.