Jack Hill (ジャック ヒル, Jakku Hiru), most commonly known as Robin (ロビン, Robin) is a Quincy who once served as a Soldat in both the Vandenreich and its succeeding organization the Engelhaft Gewitter. Surprisingly, Jack had survived both of the wars these particular organizations were involved in. Due to the sudden arrival of the Collapse, Jack had been sent and isolated within the Shadowlands region of the Reikai. He had since trained on his own and greatly enhanced his own abilities as a means of self-defense, before becoming acquainted with Kain Akai as an agent. Following Itazura Kori's arrival and attempt to bring order to the said region, Jack has followed him on his quest, leading him to be a member of the Blades of Night's Veil.