Basch Von Rosenburg (バッシュ Basshu) is a 36-year-old Hume who formerly served as a general in the Dalmascan army. During the Archadian assault on the royal castle, he discovered that the Dalmascan king had actually sold his people to the Archadians, and subsequently slew both the king and then Vaan's older brother, Reks, who found out about the crime. He is now regarded by the Dalmascans as a traitor. After that it was known that actually Basch had been set up by his twin brother, the true murderer of the king and Reks, who is now one of the Archadian Judges. Rikiya Koyama provides the voice of Basch in the Japanese version of the game.

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