Gunner is the artillery and machine specialist, which is good at dealing long range physical damage. She can deploy machines & equip mobile armor suit to increase her damage dealing capability as well.
Paladin is the traditional paladin class, which fulfills the role of tanking in party. He has various skills which boost his defence to guard against enemies’ attack. He can also use Avatar to increase his burst damage dealing capability.
Necromancer is a class with various buffs to boost the ability of the party, while dealing damage at the same time. He can also debuff enemies to weaken them and has some healing spell as well. He can transform into angels or demons in battle.