The Paladin is a loyal servent to the holy gods. He is a master in swordsmanship and is skilled in spells and battle. He has many helping spells, our auras, that can do a hell of a lot for you in the game. He also has combat skills that help! The Paladin lives for fighting for his King and his way of life is to live and die by the sword.
The Necromancer has many tricks up his sleeve. He has mastered the way of raising the dead to fight for him and knows how to control them. He knows how to lock up enemies abilities and curse anyone that get's in his way. His way of living is to be a lone and fulfill his destiny by roaming the earth and reviving and taking souls anytime he needs them. He can heal himself and he can also take mana and life from other dead bodies with his skills.