A scan from Jump has the news and a few details. Dragon Quest Monsters Joker 2 will have more volume, especially in the monsters department. Expect 300+ creatures to scout. Just like Dragon Quest Monsters Joker, monsters fight for you and can combine with other monsters to make custom creations.
The biggest feature in Dragon Quest Monsters Joker 2 so far is real time battles. Players will be able to fight other monster teams directly over Wi-Fi. This system is different from the data download from the last game.