Playstation 3 - Ar Tonelico Qoga

The battle system is real-time based, similar to those of the Star Ocean games. Only one Reyvateil can be present in battle. The player controls one of the three Vanguard (support/attacking) members, and the AI controls the other two, though the player can change the character he/she is controlling at any time in battle. The Purge system is a key element, as it allows Reyvateils to use their high-level song magic. However, 'purging' also has importance for the Vanguard characters, as it allows them to use their best attacks.