You get this when you buy the DLC for $10:
– Access to play the Castithan Species
– Access to a new Story Mission Line with new Battle Arena Game Mode
– Access to the new Castithan Battle Arenas
– Castithan Charge Blade & Ceremonial Mask as a reward from Story Mission Line
– A unique version of the Raptor, a new 4 player truck of doom
– A unique Castithan version of an outfit
– A Charge Weapons Starter Pack
– Access to New Pursuits
– New Xbox and PS3 Trophies and Achievements
You get this in the DLC for free:
– Access to the new Charge Weapons Class and Castithan Blades
– Access to Sieges, a new Open World Game Mode
– Access to the new Monolith Major Arkfall
– Access to a new PvP Map – Military Academy
– Join a friend into the Battle Arenas Game Mode
– Duel your friends and neighbors in the Duels Game Mode
– Enemies, lockboxes, and events can drop Charge Weapons
– Select a new voice for you character
– Multitude of game improvements from UI to content