One Piece prequel manga announces its own anime and is related to Zoro - Meristation

Eiichiro Oda confirms the anime of Monsters, the one-shot manga he wrote in 1994 about Ryuma, the samurai who fought with Zoro in Thriller Bark.

Creador de One Piece confirma estreno del 'spin-off' del anime, Luffy, Monster, manga, Eiichiro Oda

Monsters', the new anime from 'One Piece' creator Eiichiro Oda, releases its first images - Meristation

Zoro's intro post : r/OnePiece

100+ upcoming vita games · Upcoming Vita Games

Eiichiro Oda's one-shot & proto-prequel to One Piece MONSTERS will get an anime adaptation News - Entertainment - Anime/Manga

Regarding the translation error in ep 1046. : r/OnePiece

Roronoa Zoro Falls Into the Sea, One Piece Wiki

One Piece - Spinoff de Zoro é o 1º do Cover Comic Project — ptAnime

Roronoa Zoro/History/During and After the Timeskip, One Piece Wiki

One Piece prequel manga announces its own anime and is related to Zoro - Meristation

One Piece anime/manga creator promises that the series will, in fact, have an ending one day