Warrior
Wield Swords, Spears, Daggers or Knuckles. At level 50, they can advance into Warlords or Bladers. Warlords are able to wield Greatswords or Spears and specialize in brute force, while Bladers wield Dual Swords, and focus on attack speed. At level 100, Warlords and Bladers can advance into Dragoons and Striders, respectively. Starting at level 140, Warlords and Bladers can switch into the subclasses Highlander and Sword Dancer, respectively. Highlanders wield Spiral Swords, while Swords Dancers wield Psionic Blades. At level 170, Dragoons and Striders advance into Heroes and Blade Masters, respectively.
Knight
Wield either Swords or Maces in one hand, and Shields in the other, or Knuckles. At level 50, they can advance into Templars or Guardians. Templars gain a substantial increase in defense, and can wield either Swords or Maces along with Shields. Guardians only wield Knuckles, and are considered a "monk-type" class due to their martial arts based skills. At level 100, Templars and Guardians advance into Holy Orders and Saints, respectively. Starting at level 140, Templars and Guardians can switch into the subclasses Terror Knight and Psykicker, respectively. Terror Knights wield Gauntlets, while Psykickers wield Psychic Hands. At level 170, Holy Orders and Saints advance into Saviors and Sefirots, respectively.
Wizard
Wield Staves, Knives, and Knuckles. At level 50, they can advance into Sorcerers or Bards. Sorcerers wield Staves, Daggers, and Orbs, specializing in high attack magic, while Bards wield stringed instruments of many kinds, and focus on supportive magic for its party members.
Explorer
Wield Daggers, Bows, Crossbows, and Knuckles. At level 50, they can advance into Treasure Hunters or Gunslingers. Treasure Hunters wield Daggers, Bows, and Crossbows, specializing on attack speed with a high critical hit rate, they possess passive skills that increase item drop rate and gold drop rate. Gunslingers are the only class able to wield Guns, and specialize in deadly ranged attacks that hit multiple opponents.