Axion Mu sunucusunda bulunan 16 sinif soyu ve 66 sinif. Her soyun başlangıç statları, sınıf gelişim hattı ve kullanabildiği yetenekler aşağıda.
- Dark Wizard → Dark Wizard → Soul Master → Grand Master → Grand Master → Soul Wizard
- Dark Knight → Dark Knight → Blade Knight → Blade Master → Blade Master → Dragon Knight
- Fairy Elf → Fairy Elf → Muse Elf → High Elf → High Elf → Noble Elf
- Magic Gladiator → Magic Gladiator → Duel Master → Magic Knight
- Dark Lord → Dark Lord → Lord Emperor → Empire Lord
- Summoner → Summoner → Bloody Summoner → Dimension Master → Dimension Summoner
- Rage Fighter → Rage Fighter → Fist Master → Fist Blazer
- Grow Lancer → Grow Lancer → Mirage Lancer → Shining Lancer
- Rune Mage → Rune Mage → Rune Spell Master → Grand Rune Master → Majestic Rune Wizard
- Slayer → Slayer → Royal Slayer → Master Slayer → Slaughterer
- Gun Crusher → Gun Crusher → Gun Breaker → Master Gun Breaker → Heist Gun Crusher
- Light Wizard → Light Wizard → Light Master → Shining Wizard → Luminous Wizard
- Lemuria Mage → Lemuria Mage → Warmage → Archmage → Mystic Mage
- Illusion Knight → Illusion Knight → Mirage Knight → Illusion Master → Mystic Knight → Phantom Pain Knight
- Alchemist → Alchemist → Alchemic Magician → Alchemic Master → Alchemic Force → Creator
- Crusader → Crusader → Impact Crusader → Master Paladin → Sacred Paladin → Templar Commander