Zoro vs Killer(Kamazou) Beast Mode, three-sword style! Rengoku

Santoryu: Rengoku OniGiri! : r/OnePiece

Three Sword Style, One Piece Wiki

Santoryu! Purgatory..Onigiri!

Kimetsu no Yaiba: Mugen Ressha-hen Episode 1 (First Impression)

One Piece 997 - Roronoa Zoro by Melonciutus on DeviantArt

Kimetsu no Yaiba: Yuukaku-hen Episode 1 (First Impression)

Demon Slayer: Kimetsu no Yaiba” Shinobu-san and Rengoku-san will also become Yamanashi Prefecture's sweets! Two new designs will be added to the collaboration packaging of “Kikyou's Shingen Mochi”

Kimetsu no Yaiba: Yuukaku-hen Episode 5

Here's the Animator of the Epic Rengoku Onigiri Scene in One Piece Episode 934!

Zoro uses Santoryu Purgatory(Rengoku) Onigiri defeats Kamazou, One Piece 934, By Animekxge 火影