Board Thread:Theories and Speculation/@comment-25549954-20150524070831/@comment-25093611-20150524150241

wasnt the mode he used his normal kyuubi mode + sage mode? he had also the same eyes, i doubt that he had BSM since the bijuus need to give him their chakra in order for him to even enter BM, and SPSM only works with the chakra of all bijuus combined...