Franky (voice)
Kazuki Yao
Franky (voice)

“Find the Pure Gold!”
A girl named Olga is pursued by both the World Government and a man named Mad Treasure, as she is the only one who knows the location of the Pure Gold, a substance that can buy the entire world. Olga ends up sailing with the Straw Hat Pirates, and they journey to find the Pure Gold on the lost island of Alchemi, which is located inside the stomach of a large angler fish named Bonbori.
One Piece: Heart of Gold - Official Trailer Official
Franky (voice)
Kazuki Yao
Franky (voice)
Monkey D. Luffy (voice)
Mayumi Tanaka
Monkey D. Luffy (voice)
Zoro Roronoa (voice)
Kazuya Nakai
Zoro Roronoa (voice)
Nami (voice)
Akemi Okamura
Nami (voice)
Nico Robin (voice)
Yuriko Yamaguchi
Nico Robin (voice)
Sanji (voice)
Hiroaki Hirata
Sanji (voice)
Tony Tony Chopper (voice)
Ikue Otani
Tony Tony Chopper (voice)
Usopp (voice)
Kappei Yamaguchi
Usopp (voice)
Naomi (voice)
Kiko Mizuhara
Naomi (voice)
Olga Myskina (voice)
Minami Hamabe
Olga Myskina (voice)
Ashe Myskina (voice)
Kiyohiko Shibukawa
Ashe Myskina (voice)
Psycho (voice)
Hiroyuki Yoshino
Psycho (voice)
There's not much to say about One Piece: Heart of Gold. It's a mediocre-at-best story with terrible new characters and a paper-thin plot. The interactions between the Straw Hats feel off from the anime and they also feel less powerful than they should be after defeating Doflamingo. Luffy should have been able to defeat Mad Treasure in their first encounter, but for the rest of the story to happen he and the other Straw Hats needed to lose that fight. This doesn't even feel like a satisfying prequel story to Film Gold and probably should not exist.
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