Determined to rescue Rose, Ryuji takes possession of a powerful lost precious left to him by his parents. After storming Fang's stronghold with Eriko and Tokura, Ryuji finds that Onyx the black dragon is more than he can handle by himself, until Rose joins forces with him to confront the enemy. They engage and Rose thus lends her power to Ryuji allowing him to severely hurt Onyx. Onyx retreats but Eriko and Ryuji believes that Onyx is still alive.