When Aeria Games announced Dragomon Hunter's western version, they revealed 4 classes that would be available in the game: Scout, Mercenary, Mage, and Cleric. Actually there is the 5th class Ninja which is just available in the Chinese version. The game has started open beta released the first expansion in China.
In Dragomon Hunter, your character's combat style is determined by your weapon. Before level 20, Ninja fights with Katana which provides a balance of attack and defense. Katana can do both melee and middle ranged attack. At level 20, Ninja can choose to equip dual halberds that increase Ninja's mobility and small range damage.
Dragomon Hunter will start closed beta in NA and EU this fall. You can sign up for beta at the official site.