Mysterious Grave Markers! A Reunion at the Ruins of Oden Castle!

what happens

While traveling to Oden Castle, Komachiyo, Law, Luffy, Zoro, and Kiku encounter a ferocious tiger. Zoro separates from the group to fight the tiger. The rest of the group later arrive at the ruins of Oden Castle. After seeing the graves of the Kozuki Family, Luffy reunites with Kin'emon, Momonosuke, Sanji, Nami, Brook, Chopper, and Carrot. Once they are inside Oden Castle, Kin'emon reveals that he, Momonosuke, Kiku, Raizo, and Kanjuro came from the past.