One Piece Chapter 1020, "Robin vs. Black Maria," opens with the conflict between Kaido and Yamato. Kaido reveals that Yamato ate the Inu Inu no Mi, Model: Okuchi no Makami devil fruit, becoming a "wolf deity." According to the Yonko, the wolf is the "Guardian Deity of Wano." To Kaido, Yamato is just another tool, … Continue reading One Piece Chapter 1020: Nico Robin takes on Black Maria