The secret of Wanokuni. The Kozuki Clan and the Poneglyphs:
The explanation of the Poneglyphs and their relation with the One Piece continues. Momonosuke's father accompanied Gol D. Roger to Raftel, it was him who actually could decipher the writings on these stones, a secret that had passed between the different generations of the Kouzuki Clan. However, Kouzuki Oden was killed by Wanokuni's shougun in his alliance with the Beast Pirates before this knowledge was transmitted to Momomosuke. The reason why Kaido was after the samurai, is to extract information from them about how to get to the last island and become Pirate King.
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