Game: Fire Emblem: Path of Radiance
Devdan is introduced in Chapter 16, where he is forced to work as a guard to Duke Tanas. As he later learns, to his horror, of Duke Tanas keeping Laguz as slaves from Rolf, Mist, Soren or Tormod, he promptly switches allegiances and enlists into Ike’s forces, citing an inability to “forgive such callous and unjust actions”.