 Shiro has dueled vampires in both the Black Court and the secretive Jade Court, and he agrees to serve as Harry's second in the duel against Don Paolo Ortega.However, he urges Harry to avoid the fight if at all possible, saying that the duel can be called off if both parties decide not to go ahead with it.Later, when Harry is taken prisoner by Nicodemus, Shiro secures his release by offering to remain in his place for one day.