A Deadly Infiltration! The Underwater Prison Impel Down.—Summit War (385-516)

422/23 Garp tells Ace that Luffy now knows about his parentage.

A Reunion In Hell?! The Man Who Ate The Chop-Chop Fruit!—Summit War (385-516)

423/23 Hancock petrifies Domino to allow Luffy to sneak out before submitting to the search.

424/23 Luffy easily defeats the Blugori while Buggy is unable to defeat even one.

425/23 Luffy and Buggy find themselves in the Wild Beast Hell and fight the monsters there.

426/23 20 years ago, a pirate named Shiki the Golden Lion escaped from Impel Down.

427/23 The Straw Hats meet with people in places that remind them of their home village.

428/23 The rest of the Straw Hats hear the fighting on the island and decide to head over.

429/23 After escaping from the net, Luffy blows away Largo to the beach and goes off to fight him

430/23 Ace speaks with Jinbei and learns that Jinbei had wanted to stop the war.

431/23 Luffy, Buggy, Mr. 3, and the Sphinx fall down to the level below.