The battle spans several hours (in-universe time) and covers approximately 14 episodes in the anime.
Monkey D. Luffy fights Katakuri in of the One Piece anime and Chapter 882 of the manga. The fight takes place in the Mirro-World (Brulee's mirror world) during the Whole Cake Island Arc. when does luffy fight katakuri
After Katakuri traps the Straw Hats inside the Mirro-World, Luffy returns to fight him one-on-one. He breaks the large mirror leading out of the world, trapping himself inside with Katakuri to prevent the Sweet Commander from attacking his escaping crew. The battle spans several hours (in-universe time) and
The battle is widely considered one of the best in the series because it is not a fight of hate, but a fight of ideals. Katakuri begins the fight as a perfect, stoic guardian but grows to respect Luffy’s tenacity. By the end, Katakuri essentially helps Luffy grow stronger, acknowledging him as a worthy rival. The fight takes place in the Mirro-World (Brulee's
Luffy learns an important lesson about perseverance and the value of strong friendships. He also comes to understand that brute strength isn't the only factor that makes a great warrior; strategy, heart, and friendship play a much bigger role.