Dressed in the cloak of the Fourth Hokage and wearing the Konoha ninja village headband, the figure that suddenly appeared before Naruto and the Nine Tailed Beasts was none of the other than Konoha's "Yellow Flash", the Fourth Hokage Namikaze Minato, who had perished during the Kyubi incident.
As a pure chakra energy construct unlocked by Naruto through the system, Namikaze Minato found his attention drawn entirely to the front the moment he manifested. There, an iron gate meant to seal Kurama should have stood, but it had vanished without a trace.
"...The Eight Trigrams Sealing Style has been undone?" Namikaze Minato asked in a deep voice, a look of solemnity crossing his face. "My chakra didn't appear when it was supposed to. Did Naruto actively obtain the seal key to break the seal himself? Or did Kurama forcefully shatter it?"
Chapter 89