Aqui les dejo una lista completa de los Libros y Amuletos Necesarios para Aprender las Skills desde lvl 70+
Prophet
Improve Combat - lvl 70 - Mob: Crypt Guard (70) - Locacion: Catacomb of the Witch

Improve Condition - lvl 70 - Mob: Soldier of Ancient Times (73) - Locacion: Silent Valley
Elven Elder
Improve Movement - lvl 70 - Mob: Soldier of Ancient Times (73) - Locacion: Silent Valley

Improve Shield Defense - lvl 70 - Mob: Crypt Guard (70) - Locacion: Catacomb of the Witch
Shillien Elder
Improve Critical Atack - lvl 70 - Mob: Crypt Preacher (72) - Locacion: Catacomb of Dark Omens

Improve Magic - lvl 70 - Mob: Crypt Preacher (72) - Locacion: Catacomb of Dark Omens
Warcryer
Chant of Combat - lvl 70 - Mob: Crypt Guard (70) - Locacion: Catacomb of the Witch

Chant of Critical Atack - lvl 72 - Mob: Soldier of Ancient Times (73) - Locacion: Silent Valley

Chant of Movement - lvl 72 - Mob: Crypt Guard (70) - Locacion: Catacomb of the Witch

Chant of Blood Awakening - lvl 74 - Mob: Crypt Preacher (72) - Locacion: Catacomb of Dark Omens
Overlord
Combat of Pa'agrio - lvl 70 - Mob: Crypt Preacher (72) - Locacion: Catacomb of Dark Omens

Condition of Pa'agrio - lvl 72 - Mob: Soldier of Ancient Times (73) - Locacion: Silent Valley

Critical of Pa'agrio - lvl 74 - Mob: Tomb Guard (75) - Locacion: Catacomb of Dark Omens / Catacomb of the Forbidden Path
Treasure Hunter
Shadow Step - lvl 72 - Mob: Shaman of Ancient Times (75) - Locacion: Silent Valley

Evasion Haste - lvl 74 - Mob: Shaman of Ancient Times (75) - Locacion: Silent Valley
Plains Walker
Shadow Step - lvl 72 - Mob: Shaman of Ancient Times (75) - Locacion: Silent Valley

Evasion Chance - lvl 74 - Mob: Warrior of Ancient Times (75) - Locacion: Silent Valley
Abyss Walker
Shadow Step - lvl 72 - Mob: Shaman of Ancient Times (75) - Locacion: Silent Valley

Evasion Counter - lvl 74 - Mob: Warrior of Ancient Times (75) - Locacion: Silent Valley
Sword Muse
Song of Wind Storm - lvl 76 - Mob: Kleopora (80) - Locacion: Isle of Prayer
Spectral Dancer
Dance Blade Storm - lvl 76 - Mob: Seychelles (81) - Locacion: Isle of Prayer
Skills lvl 81
Archer's Will
Fighter's WillHuman: Dreadnought, Duelist, Phoenix Knight, Hell Knight, Adventurer, Sagittarius
Elf: Eva’s Templar, Sword Muse, Wind Rider, Moonlight Sentinel
Dark Elf: Shillien Templar, Spectral Dancer, Ghost Hunter, Ghost Sentinel
Orc: Titan, Grand Khavatari
Dwarf: Fortune Seeker, Maestro
Kamael: Doombringer, Soul Hound, Trickster
Mob/Raid/NPC: Drops from Ekimus, Tiat, Beleth - Locacion: Gracia, Hellbound.
Also sold on Auction in Aden, Giran or Rune Township
Magician's WillHuman: Archmage, Soultaker, Arcana Lord, Cardinal, Hierophant
Elf: Mystic Muse, Elemental Master, Eva’s Saint
Dark Elf: Storm Screamer, Spectral Master, Shillien Saint
Orc: Dominator, Doomcryer
Mob/Raid/NPC: Drops from Ekimus, Tiat, Beleth - Locacion: Gracia, Hellbound.
Also sold on Auction in Aden, Giran or Rune Township
Expose Weak PointHuman: Dreadnought, Duelist, Adventurer
Elf: Wind Rider
Dark Elf: Ghost Hunter
Orc: Titan, Grand Khavatari
Dwarf: Fortune Seeker, Maestro
Kamael: Doombringer, Soul Hound
Mob/NPC: Sold by Blacksmith Shadai NPC - Locacion: Hellbound
Sixth SenseHuman: Phoenix Knight, Hell Knight, Adventurer
Elf: Eva’s Templar, Sword Muse, Wind Rider
Dark Elf: Shillien Templar, Spectral Dancer, Ghost Hunter
Kamael: Soul Hound
Mob/NPC: Sold by Blacksmith Shadai NPC - Locacion: Hellbound
Final SecretHuman: Dreadnought, Duelist
Orc: Titan, Grand Khavatari
Dwarf: Fortune Seeker, Maestro
Kamael: Doombringer
Mob/NPC: Reward from Seed of Infinity Instance and Stakato Nest Instant Boss - Locacion: Gracia Stakato Nest
Enlightenment – Healer
Turn to StoneHuman: Cardinal, Hierophant
Elf: Eva’s Saint
Dark Elf: Shillien Saint
Orc: Dominator, Doomcryer
(Enlightenment – Healer) Mob/Raid/NPC: Reward from Seed of Infinity Instance - Locacion: Gracia
(Turn to Stone) Mob/Raid/NPC: Keucereus Base - Locacion: Gracia
Enlightenment – WizardHuman: Archmage, Soultaker
Elf: Mystic Muse
Dark Elf: Storm Screamer
Kamael: Soul Hound
Mob/Raid/NPC: Reward from Seed of Infinity Instance and Stakato Nest Instant Boss - Locacion: Gracia, Stakato Nest
Mutual Response
Servitor Barrier
Excessive LoyaltyHuman: Arcana Lord
Elf: Elemental Master
Dark Elf: Spectral Master
(Mutual Response) Mob/Raid/NPC: Keucereus Base - Locacion: Gracia
(Servitor Barrier) Mob/Raid/NPC: Sold by Blacksmith Shadai NPC - Locacion: Hellbound
(Excessive Loyalty) Mob/Raid/NPC: Reward from Seed of Infinity Instance and Stakato Nest Instant Boss - Locacion: Gracia, Stakato Nest
Anti-Magic ArmorHuman: Phoenix Knight, Hell Knight
Elf: Eva’s Templar
Dark Elf: Shillien Templar
Mob/Raid/NPC: Reward from Seed of Infinity Instance - Locacion: Gracia
Deflect MagicHuman: Phoenix Knight, Hell Knight
Elf: Eva’s Templar, Sword Muse
Dark Elf: Shillien Templar, Spectral Dancer
Mob/Raid/NPC: Keucereus Base - Locacion: Gracia
Seven Arrow
Silent MindHuman: Sagittarius
Elf: Moonlight Sentinel
Dark Elf: Ghost Sentinel
(Seven Arrow) Mob/Raid/NPC: Sold by Blacksmith Shadai NPC - Locacion: Hellbound
(Silent Mind) Mob/Raid/NPC: Sold by Blacksmith Shadai NPC - Locacion: Hellbound
Dual Dagger Mastery
HideHuman: Adventurer
Elf: Wind Rider
Dark Elf: Ghost Hunter
(Dual Dagger Mastery) Mob/Raid/NPC: Keucereus Base - Locacion: Gracia
(Hide) Mob/Raid/NPC: Reward from Seed of Infinity Instance and Stakato Nest Instant Boss - Locacion: Gracia, Stakato Nest
MeteorHuman: Archmage, Soultaker
Mob/Raid/NPC: Sold by Blacksmith Shadai NPC - Locacion: Hellbound
Star FallElf: Mystic Muse
Dark Elf: Storm Screamer
Mob/Raid/NPC: Sold by Blacksmith Shadai NPC - Locacion: Hellbound
Skills lvl 82(estas Skills las aprenden todas las razas)

Protection of Alignment

Protection of Element

Protection of Rune
Mob/Raid/NPC: Drops from Antharas, Valakas and Frintezza + sold on Auction in Aden, Giran or Rune Township
Locacion: Lair of Antharas, Forge of the Gods, Imperial Tomb