A Short History of the End of Everything
If you play a paladin you may chose to play either a self-righteous paladin or the classical holy knight of the faith.
If you play a self-righteous paladin the following changes occur to your class:
1.) You must obey the Code of Chivalry or lose all class spells and abilities, you may regain them by an act of atonement.
2.) You do not receive the Special Mount at level 5