O objetivo dessa quest é para você comprar o item

Forgotten Book para aprender no mestre de sua classe as novas skills disponibilizadas no L2 Elite e o item

Orb of Battle que é consumido ao utilizar essas novas skills.
Informações da Quest
Requisitos: nenhum.
NPC: Mina.
Localização do NPC: Cursed Village
Tipo: Repetível/Solo/Party
Raças: Todas as raças e classes.
Recompensas:

Adena - Quantidade: 25,000 a cada 200

Rib Bone of a Black Magus e a possibilidade de comprar o Forgotten Book e Orb of Batte por

Zombie's Liver.
Você precisará teleportar para Cursed Village, para isso há duas formas: ir para Rune Castle Town e utilizar a Gatekeeper Ilyana > Teleport Nobles > Cursed Village ou utilizar qualquer Gatekeeper e teleportar para Forest of the Dead e seguir caminhado até Cursed Village.
Ao chegar em Cursed Village, fale com o NPC Mina, escolha a opção "Quest" e depois a opção "I'll help you.", após isso Mina lhe dirá que para ajuda-lá você cumprir dois objetivos: derrotar todos os magos das trevas, obtendo 200 Rib Bone of Black Magus e exterminar todos os mortos vivos da região, obtendo o item Zombie's Liver.
Para obter o Rib Bone of a Black Magus, você deverá caçar os monstros: Bone Snatcher, Bone Maker, Bone Collector, Bone Animator, Bone Slayer, Bone Sweeper, Bone Grinder, Bone Caster, Bone Puppeteer, Bone Scavenger, Bone Shaper, Skull Collector, Skull Animator.
Para obter o Zombie's Liver, você deverá caçar os monstros: Trampled Men, Sacrificed Men, Behemoth Zombie, Requiem Lord, Requiem Priest, Requiem Behemoth. Foque apenas nestes mobs.
Todos esses mobs estão nas redondezas de Cursed Village e em Forest of the Dead e possuem nível 78, mas não são muito fortes.
Ao obter os 200

Rib Bone of a Black Magus, você poderá retornar a Mina, escolher a opção "
Quest" novamente e depois a opção "
Settle up for black magri rib bones." e receber 25,000 de Adena.
Já com os

Zombie's Liver, escolha a opção "
Settle up accounts for undead livers.", com isso será aberta uma janela de trade onde você poderá comprar o

Forgotten Book e

Orb of Battle.
O
Forgotten Book é um item requerido para que você possa aprender no NPC Mestre de sua classe as novas skills disponíveis no L2 Elite.
Para comprá-lo você irá precisar de:

200 Zombie's Liver

1 Eilhalder Von Hellmann's Heart

80 Asofes

80 Enrias

80 Thons

1 Holiday Token
Para obter Asofes, Enrias e Thons basta você caçar os monstros localizados dentro de Mithril Mines, pois no L2 Elite é o único local em que se pode obté-los em PvE, já para obter o Holiday Token há várias formas, verifique no Ekans as principais opções para adquiri-lo.
Para obter o Eilhalder Von Hellmann's Heart, você precisará derrotar o Raid Boss Eilhalder Von Hellmann localizado em Cursed Village, praticamente ao lado do NPC Mina.
Este Raid Boss é de nível 80 e não é muito forte, sendo possível matá-lo sozinho, dependendo da sua classe. Possui um HP de aproximadamente de 500000, além disso, Eilhalder Von Hellmann não dropa nenhum item importante, apenas o item
Eilhalder Von Hellmann's Heart.
Seu respawn time é de 2 horas, com 30 minutos random.
Tanto o Forgotten Book, como o Eilhalder Von Hellmann's Heart não podem ser dropados ou passado para outro char através de trade.
O
Orb of Battle é um item que é consumido quando se utiliza essas novas skills. Para comprá-lo você irá precisar de apenas 
1
0 Zombie's Liver.
Você não precisa finalizar esta quest, já que sempre irá precisar de Orb of Battle para suas novas skills.
Listas de Skills que podem ser aprendidas com o Forgotten Book (Atualizado em 18/02/2021)
Spirit of Phoenix: Receives the Phoenix's spirit to drastically increase the fighting ability of party members. Restores party members' HP by 100% and CP by 8000. For 1 minute, increases HP Regeneration by 50%, P. Def. by 30%, Resistance to Dark attacks by 10, Resistance to Arrow attacks by 20, Resistance to buff cancel attacks by 80%, Resistance to de-buff attacks by 80% and the power of received HP recovery magic by 100%. Requires a shield. Consumes 1 Orb of Battle. Classes: Paladin.
Shield of Revenge: For 1 minute, increases party members' HP Regeneration by 35%, Speed by 20, transfers 75% of received standard short-range damage back to an enemy, reflects physical buffs/de-buffs with 80% probability, magic buffs/de-buffs with 80% probability and the power of received HP recovery magic by 35%. Requires a shield. Consumes 1 Orb of Battle. Classes: Dark Avenger.
Touch of Eva: Restores party members' HP by 80%, MP by 5000 and for 1 minute, increases Max. HP/MP by 35%, M. Def. by 30%, Speed by 5%, MP Regeneration by 50%, Resistance to buff cancel attacks by 100%, Resistance to de-buff attacks by 100%, Resistance to water attacks by 10 and the power of received HP recovery magic by 80%. Requires a shield. Consumes 1 Orb of Battle. Classes: Temple Knight.
Spirit of Shilen: Receives the spirit of Shilen to remove all debuffs and drastically increase the fighting ability of party members. For 1 minute, increases P. Atk. by 20%, M. Def. by 2500, P. Def. by 15%, Atk. Spd. by 10%, Resistance to poison attacks by 80%, Resistance to buff cancel attacks by 50%, Resistance to de-buff attacks by 50% and decreases physical/magic skill re-use time by 10%. Requires a shield. Consumes 1 Orb of Battle. Classes: Shillien Knight.
Enlightenment: For 30 seconds, increases party members' Magic Critical Rate by 12% , M. Atk. by 32%, Casting Spd. by 20%, Speed by 10, Atk. Speed by 15%, P. Atk. by 22%, Critical Dmg. by 15%, M. Def. by 20%, P. Def. by 15%, Shield Defense Rate by 50 and decreases re-use delay of physical and magic skills by 5%. Consumes 1 Orb of Battle. Classes: Prophet, Elven Elder e Shillien Elder.
Mass Purify: Cancels de-buffs all party members. Consumes 1 Orb of Battle. Classes: Bishop, Prophet, Elven Elder e Shillien Elder.
Miracle: Fully recovers HP of nearby clan/alliance members. Consumes 3 Orb of Battle. Classes: Bishop.
Arcane Roar: For 20 minutes, increases party members' M. Atk. by 76% and Casting Spd. by 32%. The identical effects do not stack. Classes: Shillien Elder.
Battle Rhapsody: For 20 minutes, increases party members' P. Atk. by 16% and Atk. Spd. by 34%. The identical effects do not stack. Classes: Prophet.
Chant of Movement: For 20 minutes, increases party members' Speed by 35 and Evasion by 6. The identical effects do not stack. Classes: Overlord e Warcryer.
Critical Wound: For 20 minutes, increases party members' Critical Damage by 53% and Critical Rate by 32%. The identical effects do not stack. Classes: Shillien Elder.
Mental Magic: For 20 minutes, increases party members' Wild Magic by 310% and decreases magic cancel damage by 60. The identical effects do not stack. Classes: Elven Elder.
Blessing Barrier: For 20 minutes, increases party members' P. Def. by 16% and M. Def. by 32%. The identical effects do not stack. Classes: Prophet.
Blood Requiem: For 60 minutes, increases party members' Vampiric Atk. by 4 and Accuracy by 4. The identical effects do stack. Classes: Shillien Elder.
Chant of Berserker: For 20 minutes, increases party members' P. Atk. by 8%, Atk. Spd. by 8%, M. Atk. by 16%, Casting Spd. by 8% and Speed by 8. The identical effects do not stack. Classes: Overlord e Warcryer.
Soul Harmony: For 20 minutes, increases party members' Max. MP by 40%, Max. HP by 5% and HP Regeneration by 20%. The identical effects do not stack. Classes: Prophet.
Eva's Will: For 20 minutes, increases party members' Resistance to Hold/Sleep/Shocks/Mental Attacks by 80, M. Atk. by 1%, P. Atk. by 3%, Atk. Spd. by 5% and Casting Spd. by 2%. The identical effects do not stack. Classes: Elven Elder.
Superior Shield Block: For 20 minutes, increases party members' Shield Def. Success Rate by 90%, Shield Def. by 100% and Arrow Resistance by 6. The identical effects do not stack. Classes: Elven Elder.
Chant of Bison: For 20 minutes, increases party members' P. Atk. by 15% and P. Def. by 22%. The identical effects do not stack. Consumes 1 Orb of Battle. Classes: Overlord e Warcryer.
Improved Combat: For 20 minutes, increases party members' P. Atk. by 18% and P. Def. by 20%. The identical effects do not stack. Consumes 1 Orb of Battle. Classes: Shillien Elder, Elven Elder e Prophet.
Lembrando que essas skills não podem ser utilizadas nas Olimpíadas.