Every class starts at its base and evolves through class quests: the 2nd class at level 150, the 3rd at level 380 to 400, the 4th at total level 800. Magic Gladiator, Dark Lord, Rage Fighter and Grow Lancer skip the 2nd step. The progression page has every quest.
Dark WizardBuilds on Energy, 5 points a level- 2nd class: Soul Master
- 3rd class: Grand Master
- 4th class: Soul Wizard
- 5th class: Darkness Wizard
Dark KnightBuilds on Strength, Agility, 5 points a level- 2nd class: Blade Knight
- 3rd class: Blade Master
- 4th class: Dragon Knight
- 5th class: Ignition Knight
Fairy ElfBuilds on Agility, Energy, 5 points a level- 2nd class: Muse Elf
- 3rd class: High Elf
- 4th class: Noble Elf
- 5th class: Royal Elf
Magic GladiatorBuilds on Strength, Energy, 7 points a level- 2nd class: skipped
- 3rd class: Duel Master
- 4th class: Magic Knight
- 5th class: Duple Knight
Dark LordBuilds on Strength, Command, 7 points a level- 2nd class: skipped
- 3rd class: Lord Emperor
- 4th class: Empire Lord
- 5th class: Force Empire
SummonerBuilds on Energy, 5 points a level- 2nd class: Bloody Summoner
- 3rd class: Dimension Master
- 4th class: Dimension Summoner
- 5th class: Endless Summoner
Rage FighterBuilds on Strength, Vitality, 7 points a level- 2nd class: skipped
- 3rd class: Fist Master
- 4th class: Fist Blazer
- 5th class: Bloody Fighter
Grow LancerBuilds on Strength, Agility, 7 points a level- 2nd class: skipped
- 3rd class: Mirage Lancer
- 4th class: Shining Lancer
- 5th class: Arcane Lancer
Rune WizardBuilds on Energy, 5 points a level- 2nd class: Rune Spell Master
- 3rd class: Rune Grand Master
- 4th class: Rune Wizard
- 5th class: Infinity Rune Wizard
SlayerBuilds on Agility, Strength, 5 points a level- 2nd class: Royal Slayer
- 3rd class: Master Slayer
- 4th class: Slaughterer
- 5th class: Rogue Slayer
Gun CrusherBuilds on Strength, Agility, 5 points a level- 2nd class: Gun Breaker
- 3rd class: Master Gun Breaker
- 4th class: High Gun Crusher
- 5th class: Magnus Guncrasher
White Wizard KundunBuilds on Energy, 5 points a level- 2nd class: Light Master
- 3rd class: Shine Wizard
- 4th class: Luminous Wizard
- 5th class: Glory Wizard
Mage LemuriaBuilds on Energy, 5 points a level- 2nd class: Wo Mage
- 3rd class: Arch Mage
- 4th class: Mystic Mage
- 5th class: Battle Mage
Illusion KnightBuilds on Agility, Strength, 5 points a level- 2nd class: Mirage Knight
- 3rd class: Illusion Master
- 4th class: Mystic Knight
- 5th class: Phantom Pain Knight
AlchemistBuilds on Energy, Strength, 5 points a level- 2nd class: Alchemic Magician
- 3rd class: Alchemic Master
- 4th class: Alchemic Force
- 5th class: Creator
CrusaderBuilds on Strength, 5 points a level- 2nd class: Impact Crusader
- 3rd class: Master Paladin
- 4th class: Sacred Paladin
- 5th class: Templar Commander