Lunar: Dragon Song - Nintendo DS Battle System Lunar - Dragon Song's battle system is quite different from that of previous Lunar games spaning both DS screens. Coliseum The Coliseum is a brand new feature to the Lunar series for card battles. Cards have HP just like players in the game. If cards loses all of its HP, the other player gets your card. However, if you defeat your opponent's card, and knock its HP down to 0, y Menu System