Textbook (A Snipers First Day)

Hurrah! You'll soon be an Expertise Expert! Get the expertise without the grinding!

A guidebook for Devil Busters penned by a leading authority in the field. Increases your progress in the Gun Knowledge expertise.

*Effect is boosted when under the effect of an Incense of Mastery.
*If expertise progress cannot be increased any further, item will disappear without doing anything.
*If expertise progress has been locked, item will disappear without doing anything.

Modification Material CR Ef 2

Bonus: Curative skill recovery up 10%
Compatibility - weapon (slot 4)