Episode 598

"The Samurai Who Cuts Fire! Kin'emon of Foxfire!" is the 598th episode of the One Piece anime.

Short Summary
Law's heart is crushed by the mysterious man named Vergo who was sent along with Monet to watch over Caesar. Law gets knocked out by Vergo who had a stick with him imbued with Haki. Caesar tells his men to tie up the Straw Hats and G-5. Meanwhile Chopper is looking for a way to cure the children.

Zoro's group are waiting for Sanji to rescue the samurai's torso. Sanji uses Haki to find the body and realizes it is in a shark's mouth. He manages to escape before the gas consumes him. The samurai then reveals himself as Kin'emon. He demonstrates his ability by cutting fire and by destroying the slime. He then attempts to find his son, Momonosuke. Zoro's group decides to aid him.

Anime Notes

 * Vergo is revealed to have Law's heart in his initial confrontation with Law while in the manga, it was revealed after Law's imprisonment.
 * In the manga, Brook was first gassed by the Smileys after he attempts to cut them. In the anime, Brook was gassed after Zoro tries to cut them.
 * In the manga, Sanji kicks the shark after seeing it with Kin'emon's torso while in the anime, Sanji first grabbed on to the shark.
 * The anime adds the following:
 * A scene in which Zoro tries to cut the Smileys while in the manga, Zoro already tried that off panel.
 * After Brook told Zoro how old he is, Zoro calls him grandpa.
 * The moment when Kin'emon provides Sanji a new coat with his ability.
 * Chopper sneaking around in Caesar's lab.
 * The centaurs bringing Luffy, Robin, Franky, Smoker, and Tashigi into Caesar's lab while Caesar prepares to board his airship.
 * Sanji takes a peek at Nami's body and comments that he's not going to return it.