“It might not be canon [the movie events] but it's a really fun 20 minutes if you like One Piece.” Reddit · r/OnePiece · 5 years ago
'One Piece: Strong World Episode 0' review by Lix - Letterboxd One Piece Film: Strong World Episode 0
“It perfectly bridges the gap between Roger's era and Luffy's generation... It's the kind of prequel that makes you respect the world even more.” Letterboxd “It might not be canon [the movie events]
While the Strong World film's events are often debated, Episode 0—based on "Chapter 0" written by creator Eiichiro Oda—is generally considered canon to the series' history. Critical Perspectives One Piece Film: Strong World Episode 0
The OVA is widely praised for its dense lore and the way it establishes Shiki’s significance without relying on typical movie villain tropes.
Reviewers from Letterboxd and Wise-Cafe highlight its efficiency in storytelling, packing an immense amount of history and tension into a short runtime. Community Opinions
“It does succeed in its main point, giving the villain a backstory WITHOUT 'detracting to ransom' his characterization... They really packed a lot in 18 minutes.” Wise Cafe (International) · 5 years ago