(dub) 178 : Bursting Slash! Zoro Vs. Ohm! File

The battle reaches its climax in the Upper Ruins. Zoro had been struggling against Ohm’s , a malleable sword made of "iron clouds" that can change shape instantly into a fan, fork, or fleuret. Combined with Ohm’s Mantra (Observation Haki), which allows him to predict every move, Zoro finds himself frustrated and unable to land a clean hit.

Witness Zoro's mastery as he overcomes the Ordeal of Iron with a devastating new technique:

Realizing he cannot win by dodging alone, Zoro takes a moment to center himself. He discards his mystery goggles, ties his green bandana around his head—a signal that he is getting serious—and prepares his counterattack. (Dub) 178 : Bursting Slash! Zoro vs. Ohm!

: Zoro unleashes the 108 Pound Phoenix (108 Caliber Phoenix), a powerful long-range flying slash. The attack is so immense that it cuts straight through Ohm's iron cloud defense and the ruins themselves, knocking the priest unconscious and ending the Ordeal of Iron. Parallel Developments

: Nico Robin meets "God" Enel in the Lower Ruins. Enel reveals that he has already moved the legendary gold and demands Robin’s help in locating the fabled Great Golden Bell. The battle reaches its climax in the Upper Ruins

: On the beach, Pagaya and Conis learn the horrifying truth from a fleeing Gan Fall guardian: Enel intends to use his powers and his massive flying ship to completely eradicate Skypiea and everyone living in the sky.

In One Piece episode 178, , Roronoa Zoro finally brings an end to his grueling duel with the Ordeal of Iron’s priest, Ohm, marking the fall of Enel's final high-ranking priest. The Final Stand: Zoro vs. Ohm Witness Zoro's mastery as he overcomes the Ordeal

: Luffy, Nami, Gan Fall, and Aisa remain trapped inside the giant snake, Nola. Wyper, the Shandian leader, continues to blast the snake’s exterior with his Burn Bazooka in a desperate attempt to free them.