Welp this chapter confirms all these anime arcs were totally

One Piece Filler List: All Episodes & Arcs You Can Skip

Anime News Network

Marineford Arc, One Piece Wiki

The Young Avengers Are Back

Nobara is coming back isn't a fandom delusion : r/Jujutsushi

demon slayer: Demon Slayer Season 5: Here's everything we about the series so far - The Economic Times

List of One Piece chapters (807–1015) - Wikipedia

Stranger Things Season 5: Release Date, Cast, Trailer & Everything We Know So Far

When an anime has a new Opening does it mean its entering a new arc? - Quora

Paranormal Liberation War Arc, My Hero Academia Wiki

One Piece Sets Sail On Its Final Saga Next Month - Game Informer

When an anime has a new Opening does it mean its entering a new arc? - Quora