Secret Ninjuu Giant Shinobi Hunter (秘密ニンジュ巨人シノビハンター Himitsu Ninju Kyojin Shinobi Hantā) is Shinobi Black's mecha that he uses when a CORE Monster had used its enlargement technique. In order to form it, Shinobi Black must give the command "Secret Ninjuu Fusion (秘密ニンジュ合体 Himitsu Ninju Gattai)".