Backitems/misc/skillpointcommon/Rare Improvement Book: SwordRareskillpointcommonRare Improvement Book: SwordRare Passive Skill Improvement Book. Used for the Passive Skill growth of all SwordsSales Price:6,600Used in Recipes1Result of Recipes2Obtained from Boxes2NameMaterialsResultPrecious Improvement Book: Sword15 Page 1 of 11NameMaterialsResultRare Improvement Book: Sword15Rare Improvement Book: Sword5 Page 1 of 11NameQuantityDrop TypeRare Improvement Book Selection Chest1selectableRare Skill Upgrade Book Chest1selectable Page 1 of 11