This list was taken from a translation by Hellrose.  Her tireless work for the L2 community is VERY appreciated
Please note that some things may change.
Class	Skill	Level	Description
Abyss Walker	Might Mortal	58	Increases player's chance of landing lethal skills for a short period of time. Can be used when equipped with a dagger.
Abyss Walker	Sand Bomb	55	Launches a sand bomb, decreasing enemy's accuracy for a brief moment.
Abyss Walker	Summon Treasure Key	46	Summons between 20 to 30 lvl3-5 treasure box keys. Uses key of thief.
Bishop	Major Heal	56	Instantly replenish's target's HP
Bishop	Mana Burn	56	Burns enemy's MP
Bishop	Trance	56	Puts enemy to sleep for a brief moment. Cannot be recasted while it is in effect.
Bishop	Turn Undead	56	Puts undead targets in a state of fear, causing them to run away. Chance of instant kill. Uses spirit ore.
Bishop	Magical Backfire	56	Increases enemy's mp use for a brief moment.
Bishop	Major Group Heal	58	Instantly replenish's target's HP
Bishop	Mana Storm	58	Burns the MP of surrounding enemies
Bladedancer	Arrest	55	Taunts and puts the enemy in a state of hold for a brief moment. Cannot be recasted while the the hold state is in effect.
Bladedancer	Demon Blade Dance	55	Decreases the p.atk and m.atk of surrounding enemies for a brief moment. Can be used when equipped with dual swords.
Bounty Hunter	Polearm Accuracy	58	Increases accuracy when using polearm. Drains MP.
Bounty Hunter	War Frenzy	58	Increases player's resistance to shock and sleep attacks. Drains MP.
Dark Avenger	Judgement	55	Strikes with a gathering of dark energy. Taunts and decreases the accuracy of the enemy for a brief moment. Can be used when equipped with sword/blunt. Overhit possible.
Dark Avenger	Shackle	55	Taunts and puts the enemy in a state of hold for a brief moment. Cannot be recasted while the the hold state is in effect.
Destroyer	Inferno Body	58	Adds a fire element to physical attacks and increases player's resistance to fire attacks.
Destroyer	Polearm Accuracy	58	Increases accuracy when using polearm. Drains MP.
Destroyer	War Frenzy	58	Increases player's resistance to shock and sleep attacks. Drains MP.
Destroyer	Zealot	58	Receives the power of the guardian, causing an increase in combat ability for a short period of time. Drains HP while in use. Can be used when HP falls below 30%
Destroyer	Wide Attack	58	Increases number of targets affectable using pole attacks. Can be used when equipped with polearm.
Elder	Mana Burn	56	Burns enemy's MP
Elder	Clarity	58	Decreases target's mp use for a short amount of time.
Elder	Major Heal	56	Instantly replenish's target's HP
Elder	Resist Unholy	58	Increases target's resistance to dark attacks for a period of time.
Elder	Trance	56	Puts enemy to sleep for a brief moment. Cannot be recasted while it is in effect.
Elder	Turn Undead	56	Puts undead targets in a state of fear, causing them to run away. Chance of instant kill. Uses spirit ore.
Elemental Summoner	Betray	56	Posesses enemy's summon causing it to attack it's master. Uses spirit ore.
Elemental Summoner	Mass Surrender to Water	58	Decreases resistance to Water in enemies surrounding the summon. Uses spirit ore.
Gladiator	War Frenzy	58	Increases player's resistance to shock and sleep attacks. Drains MP.
Hawkeye	Blessing of Sagittarius	58	Decreases refresh time of physical skills for a period of time.
Hawkeye	Pain of Sagittarius	58	Converts HP to MP
Hawkeye	Spirit of Sagittarius	58	Decreases MP use of physical skills for a short period of time.
Hawkeye	Quiver of Holding	58	Increases weight limit
Necromancer	Mass Curse Fear	58	Puts surrounding enemies into a state of fear, causing them to run away.
Necromancer	Mass Curse Gloom	58	Decreases m.def of enemies surrounding the summon. Uses cursed bones.
Necromancer	Summon Cursed Bone	58	Summons cursed bone. Uses spirit ore.
Paladin	Shackle	55	Taunts and puts the enemy in a state of hold for a brief moment. Cannot be recasted while the the hold state is in effect.
Paladin	Tribunal	55	Strikes with a gathering of holy energy. Taunts and decreases the accuracy of the enemy for a brief moment. Can be used when equipped with sword/blunt. Overhit possible.
Paladin	Angelic Icon	58	Player receives a holy calling, causing a surge in combat ability for a period of time. Decreases the effect of heals received. Can be used when HP falls to less than 30%.
Paladin	Banish Undead	55	Puts undead enemies in a state of fear, causing them to run away. Chance of instant kill. Uses soul ore.
Paladin	Mass Shackle	58	Taunts surrounding enemies and puts them in a state of hold. Cannot be recasted while the hold state is in effect.
Phantom Ranger	Dead Eye	60	Increases player's critical power and p.atk for a brief moment. Attack speed and accuracy reduced while in effect. Can be used when equipped with a bow.
Phantom Ranger	Pain of Sagittarius	58	Converts HP to MP
Phantom Ranger	Spirit of Sagittarius	58	Decreases MP use of physical skills for a short period of time.
Phantom Summoner	Betray	56	Posesses enemy's summon causing it to attack it's master. Uses spirit ore.
Plains Walker	Might Mortal	58	Increases player's chance of landing lethal skills for a short period of time. Can be used when equipped with a dagger.
Plains Walker	Sand Bomb	55	Launches a sand bomb, decreasing enemy's accuracy for a brief moment.
Plains Walker	Summon Treasure Key	46	Summons between 20 to 30 lvl3-5 treasure box keys. Uses key of thief.
Prophet	Mana Burn	56	Burns enemy's MP
Prophet	Resist Holy	58	Increases target's resistance to holy attacks for a period of time.
Prophet	Resist Unholy	58	Increases target's resistance to dark attacks for a period of time.
Prophet	Greater Might	58	Increases target's p.atk for a period of time.
Prophet	Greater Shield	58	Increases target's p.def for a period of time.
Shilien Elder	Mana Burn	56	Burns enemy's MP
Shilien Elder	Resist Holy	58	Increases target's resistance to holy attacks for a period of time.
Shilien Knight	Arrest	55	Taunts and puts the enemy in a state of hold for a brief moment. Cannot be recasted while the the hold state is in effect.
Shilien Knight	Judgement	55	Strikes with a gathering of dark energy. Taunts and decreases the accuracy of the enemy for a brief moment. Can be used when equipped with sword/blunt. Overhit possible.
Silver Ranger	Spirit of Sagittarius	58	Decreases MP use of physical skills for a short period of time.
Silver Ranger	Blessing of Sagittarius	58	Decreases refresh time of physical skills for a period of time.
Silver Ranger	Rapid Fire	60	Increases player's atk.speed and p.atk for a brief moment. Attack distance and accuracy reduced while in effect. Can be used when equipped with a bow.
Swordsinger	Arrest	55	Taunts and puts the enemy in a state of hold for a brief moment. Cannot be recasted while the the hold state is in effect.
Swordsinger	Psycho Symphony	55	Decreases the runspeed/atk.speed/casting speed of surrounding enemies for a brief moment.
Temple Knight	Arrest	55	Taunts and puts the enemy in a state of hold for a brief moment. Cannot be recasted while the the hold state is in effect.
Temple Knight	Tribunal	55	Strikes with a gathering of holy energy. Taunts and decreases the accuracy of the enemy for a brief moment. Can be used when equipped with sword/blunt. Overhit possible.
Treasure Hunter	Sand Bomb	55	Launches a sand bomb, decreasing enemy's accuracy for a brief moment.
Treasure Hunter	Summon Treasure Key	46	Summons between 20 to 30 lvl3-5 treasure box keys. Uses key of thief.
Treasure Hunter	Critical Blow	55	Launches a potentially lethal attack on the enemy while increasing player's chance of landing lethal attacks. Chance of instant kill. Can be used when equipped with a dagger.
Treasure Hunter	Stealth	58	Veils player from monster aggro for a short period of time. Decreases player's combat ability while in effect.
Tyrant	War Frenzy	58	Increases player's resistance to shock and sleep attacks. Drains MP.
Tyrant	Inferno Body	58	Adds a fire element to physical attacks and increases player's resistance to fire attacks.
Tyrant	Totem Spirit Hawk	74	Player is bestowed with the spirit of the hawk. Increases critical power and rate when using fist weapons. Decreases p.def and m.def while skill is in effect.
Tyrant	Zealot	58	Receives the power of the guardian, causing an increase in combat ability for a short period of time. Drains HP while in use. Can be used when HP falls below 30%
Warcryer	Chant of Earth	58	Increases party members' p.def for a period of time.
Warcryer	Chant of War	58	Increases party members' p.atk for a period of time.
Warlock	Betray	56	Posesses enemy's summon causing it to attack it's master. Uses spirit ore.
Warlock	Arcane Distruption	56	Decreases enemy's casting speed
Warlock	Mass Surrender to Fire	58	Decreases resistance to fire in enemies surrounding the summon. Uses spirit ore.
Warlord	Polearm Accuracy	58	Increases accuracy when using polearm. Drains MP.
Warlord	War Frenzy	58	Increases player's resistance to shock and sleep attacks. Drains MP.
Warlord	Wide Attack	58	Increases number of targets affectable using pole attacks. Can be used when equipped with polearm.
Warsmith	Polearm Accuracy	58	Increases accuracy when using polearm. Drains MP.
Warsmith	War Frenzy	58	Increases player's resistance to shock and sleep attacks. Drains MP.