Expertise Reset

Icon	Name	Stack	Limit	Effect	How to Get
	Water of the Forgetful	1000	Lv. 30-	Lowers an Expertise of your choice by one Rank.	• Mixology Mixing
	Water of the Lost	1000	-	Lowers an Expertise of your choice by one Rank. • Cannot be traded.	• Voucher (Reset Item Data)
	Lethe's Water (Non-Trade)	1000	-	Lowers an Expertise of your choice by one Rank. • Cannot be traded.	• Events
	Lethe's Water	1000	-	Lowers an Expertise of your choice by one Rank.	• COMP Shop • Promotion
	Bottle of the Forgetful	1000	Lv. 30-	Lowers an Expertise of your choice by one Class.	• Mixology Mixing
	Bottle of the Lost	1000	-	Lowers an Expertise of your choice by one Class. • Cannot be traded	• Voucher (Reset Item Data)
	Lethe's Bottle (Non-Trade)	1000	-	Lowers an Expertise of your choice by one Class. • Cannot be traded.	• Quest Rewards (Various) • Demon Quests
	Lethe's Bottle	1000	-	Lowers an Expertise of your choice by one Class.	• COMP Shop • Promotion
	Cup of Emptiness	1000	-	Lets you unlearn a skill of your choice. However, Basic Skills cannot be unlearned.	• Demon Quests • Drop: Nightmare Kirin
	Bell of Emptiness	1000	-	Lets you unlearn all of your skills. However, Basic Skills cannot be unlearned.	• Demon Quests • Flash Box

Expertise Training

Icon	Name	Stack	Limit	Effect	How to Get
	Incense of the Novice	100	-	Increases all Expertise Points earned by an ally by 1.2 times for 10 minutes. • Effect is overridden when the same item or a more powerful item is used. • Cannot be used when under the effect of an Incense of Mastery.	• Drops: Rowdy Avatar Cait Sith, Embodiment of Power Turdak, Onkot • Treasure Chests: Suginami Tunnels (Bronze), Kagurazaka Zhu Que Cavern (Bronze) • Demon Quests
	Incense of Learning	1000	-	Increases Expertise Points you earn by 50% for 6 hours. Effect can be stacked with that of an Incense of Mastery. • Cannot be traded. • Duration includes time spent offline. • Automatically applied to yourself when used.	• PvP Rewards: 500 BP • Mixology Mixing
	Incense of the Veteran (1Day)	1000	-	Doubles Expertise Points you earn for 1 day. This effect can be stacked with that of an Incense of Experience. • Duration includes time spent offline. • Automatically applied to yourself when used.	• Anti-Pollen Set
	Incense of Mastery (Small)	1000	-	Doubles all Expertise Points you earn for 30 minutes. • Effect is overridden when the same item or another Incense of Mastery is used. • Automatically applied to yourself when used.	• Purchased: Magic Shops, Yagiya [5x: 600 MC]
	Incense of Mastery	1000	-	Doubles all Expertise Points earned by an ally for 120 minutes. • Effect is overridden when the same item or another Incense of Mastery is used.	• Promotion
	Incense of Mastery (3x)	1000	-	Triples all Expertise Points gained by an ally for 30 minutes. • Effect is overridden when the same item or another Incense of Mastery is used.	• Item Mixing • Fortune Cards
	Incense of Mastery (5x)	1000	-	Increases all Expertise Points gained by an ally by 5 times for 30 minutes. • Effect is overridden when the same item or another Incense of Mastery is used.	• Item Mixing • Fortune Cards
	Incense of Mastery (10x, Non-Trade)	1000	-	Increases all Expertise Points earned by you by 900% for 30 minutes. • Effect is overridden when the same item or another Incense of Mastery is used. • Automatically applied to yourself when used. • Cannot be traded.	• Voucher (Reset Item Data)
	Incense of 2010 (Mastery)	1000	-		• Fortune Cards • Promotion
	Incense of Mastery (Small) (PT)	1000	-	Doubles all EXP gained by all party members and demons for 30 minutes. • Effect is overridden when the same item or another Incense of Mastery is used. • Automatically applied to yourself when used.	• Events/ Promotion
	Incense of Mastery (PT 3x)	1000	-	Triples all EXP gained by all party members and demons for 30 minutes. • Effect is overridden when the same item or another Incense of Mastery is used. • Automatically applied to yourself when used.	• Events/ Promotion
	Incense of Mastery (PT 5x)	1000	-	Increases all EXP gained by all party members and demons by 5 times for 30 minutes. • Effect is overridden when the same item or another Incense of Mastery is used. • Automatically applied to yourself when used.	• Events/ Promotion

Textbooks

• 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.

Icon	Name	Stack	Limit	Effect	How to Get
	Textbook (Attack)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Attack expertise.	• Book Voucher (Combat)
	Textbook (Spin)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Spin expertise.	• Book Voucher (Combat)
	Textbook (Rush)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Rush expertise.	• Book Voucher (Combat)
	Textbook (Shot)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Shot expertise.	• Book Voucher (Combat)
	Textbook (Rapid)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Rapid expertise.	• Book Voucher (Combat)
	Textbook (Guard)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Guard expertise.	• Book Voucher (Combat)
	Textbook (Counter)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Counter expertise.	• Book Voucher (Combat)
	Textbook (Dodge)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Dodge expertise.	• Book Voucher (Combat)
	Textbook (Curative Magic)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Curative Magic expertise.	• Book Voucher (Magic)
	Textbook (Destruction Magic)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Destruction Magic expertise.	• Book Voucher (Magic)
	Textbook (Support Magic)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Support Magic expertise.	• Book Voucher (Magic)
	Textbook (Curse Magic)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Curse Magic expertise.	• Book Voucher (Magic)
	Textbook (Talk)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Talk expertise.	• Book Voucher (Communication)
	Textbook (Threaten)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Threaten expertise.	• Book Voucher (Communication)
	Textbook (Taunt)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Taunt expertise.	• Book Voucher (Communication)
	Textbook (Summon)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Summon expertise.	• Book Voucher (Magic)
	Textbook (Channeling for Dummies)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Occultism expertise.	• Book Voucher (Academic)
	Textbook (Who's Who of the Underworld)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Demonology expertise.	• Book Voucher (Academic)
	Textbook (World Weapon Encyclopedia)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Weapon Knowledge expertise.	• Book Voucher (Technology)
	Textbook (Survival Techniques)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Survival Techniques expertise.	• Book Voucher (Technology)
	Textbook (Medical Sciences)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Medical Sciences expertise.	• Book Voucher (Academic)
	Textbook (Minerology)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Mineralogy expertise.	• Book Voucher (Academic)
	Textbook (Blades)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Blades expertise.	• Book Voucher (Technology)
	Textbook (Sketching)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Sketching expertise.	• COMP Shop • Promotions
	Textbook (Creation)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Creation expertise.	• COMP Shop • Promotions
	Textbook (Crafts)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Crafts expertise.	• Book Voucher (Technology)
	Textbook (A Sniper's First Day)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Gun Knowledge expertise.	• Book Voucher (Technology)
	Textbook (My First Magic)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Magic Control expertise.	• Book Voucher (Magic)
	Textbook (Our Happy Life)	1000	-	A guidebook for Demon Busters penned by a leading authority in the field. Increases your progress in the Bless expertise.	• Book Voucher (Magic)