The Dusk Robber Arc (夕闇の略奪者, Yūyami no Ryakudatsusya) is the third story arc of the Accel World series. It contains the introduction of a new antagonist, Seiji Noumi and his Duel Avatar, Dusk Taker and focuses on the loss of Silver Crow's wings. This arc also reveals a secret power known as the Incarnate System. This arc spans the third novel of the Accel World series. The anime begins the arc in episode 13 and ends on episode 17.