The One Piece manga adaptation premiered on October 20, 1999 and to date the anime is still on the air, every Saturday We have a new episode available and the anime already has more than 1000 episodesIt remains one of the most viewed today.
One Piece being a relatively old anime, the quality of the animation in its beginnings it wasn’t that goodbut over the years and due to the rise of anime it was getting better.

The anime popularity Around the world began in the year 2000, as a consequence, higher incomes were recorded for Japanese studios, which translated into high budgets and a significant improvement in animation was to be expected.
In which chapter does the animation of one piece improve?
If we had to give an exact chapter in which the animation changes or improves, we would say that from Chapter 207 that belongs to the Water Saga 7This is due to the fact that an improvement in video quality and a change in resolution are noted, going from the format 4:3 (640×480) to a 16:9 (1280×720), making the video rectangular and taking up more space on the screen.
Episodes prior to 207 would have a Improved versionthese can be found in crunchyrollwhere the episodes of the 1 to 206 They have a normal version and an HD version, the other episodes only have a version that is high quality.
In which one piece chapter do the characters change?
If we talk about the change of character design or animation style, this occurs from the Chapter 517 which is where the Fishman Island Saga begins after the TimeSkip which lasted 2 years, the crew is reunited, with new appearances due to the time elapsed or their respective training.
We see another change in the style of the characters in the Wano Arcfrom Chapter 890 henceforth, the crew’s attire is traditional focused on the Japanese culture, where there were samurai, ninjas, sumos, etc. It also refers to Japanese food, music, dance, history, etc.