Spellbook - Music Mastery

Spellbook needed to learn Music Mastery\n\n<Acquiring Class>\nSword Muse\n\n<Skill Effect>\n1) Increases Physical Attack, Physical Skill Critical Rate, Physical Skill Critical Damage, and Paralysis and Silence Attack accuracy\n2) Increases Silence Attack and decreases Song/Dance Skill Cooldown based on Power of Command