| Item Name | Value | Effects | Requirements | Combinations |
| Knowledge of Acid Orb I | 7245cc | Mage Only | ||
| Knowledge of Added Agility | 50000cc | Level 175 Minimum | ||
| Knowledge of Added Constitution | 0cc | Level 175 Minimum | ||
| Knowledge of Added Faith | 50000cc | Level 175 Minimum | ||
| Knowledge of Added Intelligence | 50000cc | Level 175 Minimum | ||
| Knowledge of Added Strength | 50000cc | Level 175 Minimum | ||
| Knowledge of Alchemy | 1494cc | Shaman Only | ||
| Knowledge of Ambition | 47000cc | Unknown Only | ||
| Knowledge of Antidote | 31411cc | Unknown Only | ||
| Knowledge of Armor of Faith | 7494cc | Cleric Only | ||
| Knowledge of Avoid | 50000cc | Level 175 Minimum - Fighter Only | ||
| Knowledge of Axe Mastery I | 6432cc | Executioner Only | ||
| Knowledge of Axes I | 1494cc | Fighter Only | ||
| Knowledge of Axes II | 7457cc | Knight & Weapon Master Only | ||
| Knowledge of Axes III | 28234cc | Executioner Only | ||
| Knowledge of Barkskin I | 3494cc | Naturalist Only - Green Soul Color Only | ||
| Knowledge of Berserk I | 8066cc | Knight Only | ||
| Knowledge of Bless I | 5494cc | Paladin & Commander Only | ||
| Knowledge of Bless II | 21314cc | Commander Only | ||
| Knowledge of Blind | 1494cc | Necromancer Only | ||
| Knowledge of Blizzard I | 8245cc | Elementalist Only | ||
| Knowledge of Blood Leaches | 9694cc | Necromancer Only - Red Soul Color Only | ||
| Knowledge of Boosted Agility | 50000cc | Level 200 Minimum | ||
| Knowledge of Boosted Faith | 50000cc | Level 200 Minimum | ||
| Knowledge of Boosted HP | 50000cc | Level 200 Minimum | ||
| Knowledge of Boosted INT | 50000cc | Level 200 Minimum | ||
| Knowledge of Boosted Strength | 50000cc | Level 200 Minimum | ||
| Knowledge of Burning Hands I | 9494cc | Elementalist Only | ||
| Knowledge of Camoflage | 34634cc | Shaman Only | ||
| Knowledge of Chant I | 6494cc | Priest Only | ||
| Knowledge of Chaotic Will | 14694cc | Thug Only | ||
| Knowledge of Cleave I | 6245cc | Executioner Only | ||
| Knowledge of Cold Resistance | 1494cc | |||
| Knowledge of Color Defence | 25000cc | Druid Only | ||
| Knowledge of Contact | 40000cc | Druid & Executioner Only | ||
| Knowledge of Crush Mastery | 1494cc | Paladin & Executioner Only | ||
| Knowledge of Crushing I | 1494cc | Fighter Only | ||
| Knowledge of Crushing II | 2494cc | Knight & Weapon Master Only | ||
| Knowledge of Crushing III | 22115cc | Paladin & Executioner Only | ||
| Knowledge of Cure Poison | 2314cc | Neophyte & Paladin Only | ||
| Knowledge of Cure Wounds | 2566cc | Neophyte & Paladin Only | ||
| Knowledge of Curse Resistance | 1494cc | |||
| Knowledge of Dagger Frenzy | 23637cc | Shadow Only | ||
| Knowledge of Dagger Mastery | 4377cc | Shadow Only | ||
| Knowledge of Daggers I | 1494cc | Fighter Only | ||
| Knowledge of Daggers II | 3463cc | Thug Only | ||
| Knowledge of Daggers III | 17343cc | Shadow Only | ||
| Knowledge of Dark Magic Barrage | 6077cc | Necromancer Only | ||
| Knowledge of Death Blow I | 8953cc | Fighter Only | ||
| Knowledge of Death Orb I | 16494cc | Black Reaper Only | ||
| Knowledge of Demonic Lightning | 9694cc | Necromancer, Shadow & Unknown Only | ||
| Knowledge of Divine Strike | 23142cc | Restorer Only | ||
| Knowledge of Dodge I | 1494cc | |||
| Knowledge of Dodge II | 2494cc | Warrior Only | ||
| Knowledge of Dodge III | 27324cc | Paladin, Commander, Ranger, Sword-Dancer, Executioner, Shadow & Unknown Only | ||
| Knowledge of Dual Daggers | 36243cc | Sword-Dancer Only | ||
| Knowledge of EarthQuake I | 4245cc | Elementalist Only | ||
| Knowledge of Enable | 45212cc | Shadow Only - Level 100 Minimum | ||
| Knowledge of Endurance I | 1494cc | Fighter Only | ||
| Knowledge of Endurance II | 1494cc | Warrior Only | ||
| Knowledge of Endurance III | 25423cc | Weapon Master & Unknown Only | ||
| Knowledge of Energy Drain I | 4494cc | Necromancer Only - Yellow Soul Color Only | ||
| Knowledge of Ensare | 1494cc | Wizard Only | ||
| Knowledge of Ensnare | 1494cc | Wizard Only | ||
| Knowledge of Entangle | 1494cc | Mage, Druid & Ranger Only - Green Soul Color Only | ||
| Knowledge of Evade I | 9494cc | Thug Only | ||
| Knowledge of Extra Lives | 2566cc | |||
| Knowledge of Fast Recovery | 50000cc | Level 200 Minimum | ||
| Knowledge of Feeble Mind I | 5494cc | Black Reaper Only | ||
| Knowledge of Fiery Vortex I | 345cc | Wizard Only | ||
| Knowledge of Fighting I | 1494cc | |||
| Knowledge of Fighting II | 5223cc | Warrior Only | ||
| Knowledge of Fighting III | 32342cc | Level 90 Minimum | ||
| Knowledge of Fire Storm I | 4194cc | Elementalist Only | ||
| Knowledge of Fireball I | 1494cc | Apprentice Only - Red Soul Color Only | ||
| Knowledge of Fireball II | 2494cc | Apprentice Only - Red Soul Color Only | ||
| Knowledge of Flare | 1494cc | Level 20 Minimum | ||
| Knowledge of Focus I | 1494cc | Cleric & Wizard Only | ||
| Knowledge of Focus II | 3221cc | Healer, Naturalist & Sorcerer Only | ||
| Knowledge of Focus III | 23145cc | Priest Only | ||
| Knowledge of Focus Skip | 8494cc | Necromancer & Mage Only | ||
| Knowledge of Focus Skip II | 8494cc | Sorcerer Only | ||
| Knowledge of Freeze I | 6494cc | Elementalist Only | ||
| Knowledge of Frozen Iceball I | 1494cc | Apprentice Only - Blue Soul Color Only | ||
| Knowledge of Frozen Iceball II | 12494cc | Apprentice Only - Blue Soul Color Only | ||
| Knowledge of Ghoul Touch I | 13494cc | Black Reaper & Elementalist Only | ||
| Knowledge of Harm I | 1494cc | Neophyte & Apprentice Only - White Soul Color Only | ||
| Knowledge of Heat Resistance | 1494cc | |||
| Knowledge of Heavenly Smash | 45122cc | Level 115 Minimum - Paladin Only | ||
| Knowledge of Hidden Power | 0cc | Level 200 Minimum | ||
| Knowledge of Holy Blessing | 3494cc | Paladin Only | ||
| Knowledge of Holy Lightning I | 12494cc | Druid & Shaman Only | ||
| Knowledge of Holy Might I | 5494cc | Naturalist Only | ||
| Knowledge of Holy Might II | 5494cc | Shaman Only | ||
| Knowledge of Ice Field I | 5494cc | Mage Only | ||
| Knowledge of Ice Field II | 8663cc | Elementalist Only | ||
| Knowledge of Icey Touch | 1494cc | Elementalist Only | ||
| Knowledge of Illusion Resist | 1494cc | |||
| Knowledge of Internal Flame | 1623cc | Mage Only - Red Soul Color Only | ||
| Knowledge of Internal Light | 0cc | |||
| Knowledge of Internal Magic | 310440cc | Level 130 Minimum | ||
| Knowledge of Invulnerability | 7955cc | Sorcerer Only | ||
| Knowledge of Invulnerability II | 7955cc | Sorcerer Only | ||
| Knowledge of Lightning Dash | 23111cc | Unknown Only | ||
| Knowledge of Lightning I | 1494cc | Neophyte & Apprentice Only - Green Soul Color Only | ||
| Knowledge of Lightning II | 22494cc | Wizard Only - Green Soul Color Only | ||
| Knowledge of Lightning Storm I | 7245cc | Elementalist & Druid Only | ||
| Knowledge of Magic Armor I | 4494cc | Sorcerer Only | ||
| Knowledge of Magic Missle I | 3045cc | Sorcerer Only | ||
| Knowledge of Magic Resistance | 1494cc | Mage Only - White Soul Color Only | ||
| Knowledge of Magic Resistance I | 1494cc | Mage Only - White Soul Color Only | ||
| Knowledge of Magic Spear | 1494cc | Weapon Master Only | ||
| Knowledge of Magic Use I | 1494cc | |||
| Knowledge of Magic Use II | 2494cc | Cleric & Wizard Only | ||
| Knowledge of Magic Use III | 22065cc | Necromancer, Mage, Druid & Shaman Only | ||
| Knowledge of Magic Use IV | 35472cc | Black Reaper, Lord of the Lich, Sorcerer & Elementalist Only | ||
| Knowledge of Magic Ward | 432223cc | Black Reaper, Lord of the Lich, Sorcerer, Elementalist, Priest, Restorer, Druid & Shaman Only | ||
| Knowledge of Major Heal | 1494cc | Restorer Only | ||
| Knowledge of Mana Strike | 9694cc | Necromancer Only - Yellow Soul Color Only | ||
| Knowledge of Mana Transfer | 1494cc | Priest Only | ||
| Knowledge of Meteor I | 4245cc | Elementalist Only | ||
| Knowledge of Minor Heal | 1494cc | Healer Only | ||
| Knowledge of Motivation | 26003cc | Commander Only - Level 115 Minimum | ||
| Knowledge of Nature's Agility | 25000cc | Druid Only | ||
| Knowledge of Nature's Defense | 13245cc | Naturalist & Mage Only - Green Soul Color Only | ||
| Knowledge of Nature's Fortitude | 25000cc | |||
| Knowledge of Nature's Intellect | 25000cc | Druid Only | ||
| Knowledge of Nature's Strength | 25000cc | Druid Only | ||
| Knowledge of Nature's Wisdom | 25000cc | Druid Only | ||
| Knowledge of Natures Intellect | 25000cc | Druid Only | ||
| Knowledge of Null Blue Defense | 17000cc | Shaman Only | ||
| Knowledge of Null Defenses | 9694cc | Necromancer Only - Blue Soul Color Only | ||
| Knowledge of Null Green Defense | 17000cc | Shaman Only | ||
| Knowledge of Null Red Defense | 17000cc | Shaman Only | ||
| Knowledge of Null White Defense | 17000cc | Shaman Only | ||
| Knowledge of Null Yellow | 17000cc | Shaman & Unknown Only | ||
| Knowledge of Point Blank I | 6245cc | Ranger Only | ||
| Knowledge of Poison Rain I | 1245cc | Necromancer Only - Yellow Soul Color Only | ||
| Knowledge of Poison Rain II | 2245cc | Lord of the Lich Only - Yellow Soul Color Only | ||
| Knowledge of Poison Wound I | 13694cc | Unknown Only | ||
| Knowledge of Process Magic | 35223cc | Priest & Shaman Only | ||
| Knowledge of Process Magic II | 35223cc | Priest Only | ||
| Knowledge of Prot. from Blue | 1494cc | Neophyte Only | ||
| Knowledge of Prot. from Green | 1494cc | Neophyte Only | ||
| Knowledge of Prot. from Red | 1494cc | Neophyte Only | ||
| Knowledge of Prot. from White | 1494cc | Neophyte Only | ||
| Knowledge of Prot. from Yellow | 1494cc | Neophyte Only | ||
| Knowledge of Raining Swords | 4245cc | |||
| Knowledge of Ranged Mastery | 6494cc | Ranger Only | ||
| Knowledge of Ranged Weapons I | 1494cc | Fighter Only | ||
| Knowledge of Ranged Weapons II | 2494cc | Weapon Master & Unknown Only | ||
| Knowledge of Ranged Weapons III | 35333cc | Ranger Only | ||
| Knowledge of Ranger's Insight | 23616cc | Ranger Only | ||
| Knowledge of Rapid Shot I | 4245cc | Ranger Only | ||
| Knowledge of Reaper Fumes | 0cc | Black Reaper Only | ||
| Knowledge of Regeneration | 26000cc | Restorer Only | ||
| Knowledge of Restful Soul | 25000cc | Weapon Master Only | ||
| Knowledge of Revitalize | 25000cc | Weapon Master, Cleric, Black Reaper, Lord of the Lich, Sorcerer, Elementalist, Paladin, Commander, Shadow & Unknown Only | ||
| Knowledge of Run | 4494cc | Shadow Only | ||
| Knowledge of Shadow Cloud | 12743cc | Shadow Only | ||
| Knowledge of Shadow Lurking | 19694cc | Black Reaper & Shadow Only | ||
| Knowledge of Shadow Rain I | 4245cc | Necromancer Only - White Soul Color Only | ||
| Knowledge of Shadow Rain II | 14333cc | Lord of the Lich Only - White Soul Color Only | ||
| Knowledge of Shatter Ethereal | 3494cc | Black Reaper Only | ||
| Knowledge of Shield Use I | 1494cc | Fighter Only | ||
| Knowledge of Shield Use II | 2494cc | Fighter Only | ||
| Knowledge of Shield Use III | 23494cc | Fighter Only | ||
| Knowledge of Shocking Grasp I | 3494cc | Elementalist Only | ||
| Knowledge of Silence | 9494cc | Naturalist Only | ||
| Knowledge of Sleep I | 3494cc | Ranger Only - Green Soul Color Only | ||
| Knowledge of Smite I | 6245cc | Sorcerer Only - White Soul Color Only | ||
| Knowledge of Spears I | 1494cc | Fighter Only | ||
| Knowledge of Spears II | 2494cc | Weapon Master Only | ||
| Knowledge of Spears III | 24112cc | Executioner Only | ||
| Knowledge of Spears Mastery | 6494cc | Executioner Only | ||
| Knowledge of Speed Burst | 14264cc | Sorcerer Only | ||
| Knowledge of Spirit Armor I | 5472cc | Priest & Restorer Only - White Soul Color Only | ||
| Knowledge of Sprint I | 8494cc | Thug Only | ||
| Knowledge of Stone Skin | 14264cc | Sorcerer Only | ||
| Knowledge of Strength I | 972cc | Mage Only - White Soul Color Only | ||
| Knowledge of Strike Force I | 1494cc | Warrior Only | ||
| Knowledge of Strike Force II | 12494cc | Executioner Only | ||
| Knowledge of Strike Speed I | 1494cc | Warrior Only | ||
| Knowledge of Swamp Protect | 49534cc | Level 150 Minimum | ||
| Knowledge of Sword Mastery I | 6594cc | Sword-Dancer Only | ||
| Knowledge of Swords I | 1494cc | Fighter Only | ||
| Knowledge of Swords II | 2494cc | Knight, Weapon Master & Thug Only | ||
| Knowledge of Swords III | 21494cc | Sword-Dancer & Unknown Only | ||
| Knowledge of Sys Relief | 9694cc | Necromancer Only - White Soul Color Only | ||
| Knowledge of Tangled Web | 9694cc | Necromancer Only - Green Soul Color Only | ||
| Knowledge of Teleport | 6245cc | |||
| Knowledge of Teleport Hope | 40000cc | |||
| Knowledge of Tend Wounds | 500cc | |||
| Knowledge of Throwing Knives | 32114cc | Sword-Dancer Only | ||
| Knowledge of Time Stop | 10472cc | Sorcerer Only | ||
| Knowledge of Toughness I | 1494cc | Fighter Only | ||
| Knowledge of Toughness II | 2494cc | Weapon Master & Unknown Only | ||
| Knowledge of Toughness III | 26423cc | Executioner Only | ||
| Knowledge of Venom Cloud I | 3245cc | Lord of the Lich Only | ||
| Knowledge of Venom Resistance | 1494cc | |||
| Knowledge of Virtue I | 6494cc | Paladin & Commander Only | ||
| Knowledge of Virtue II | 22494cc | Commander Only | ||
| Knowledge of Void Light | 0cc | Black Reaper Only | ||
| Knowledge of War Stomp I | 4245cc | Knight Only | ||
| Knowledge of Weaken I | 3494cc | Lord of the Lich Only | ||
| Knowledge of Weapon Enhancer | 39433cc | Restorer Only | ||
| Knowledge of Weapon Mastery I | 1494cc | Fighter Only | ||
| Knowledge of Weapon Mastery II | 18494cc | Weapon Master Only | ||
| Knowledge of Wither I | 1494cc | Apprentice Only - Yellow Soul Color Only | ||
| Knowledge of Wither II | 14494cc | Apprentice Only - Yellow Soul Color Only | ||
| Knowledge of the End | 1cc |