Looking for the Answer!

422 A Deadly Infiltration! The Underwater Prison Impel Down 423 A Reunion in Hell?! The Man Who Ate the Chop-Chop Fruit! 424 Break Through the Crimson Hell! Buggy's Chaos-Inducing Plan 425 The Strongest Man in the Prison! Poison Man Magellan Appears 426 A Special Presentation Related to the Movie! A Gold Lion's Ambition on the Move 427 A Special Presentation Related to the Movie! Little East Blue in Danger 428 A Special Presentation Related to the Movie! The Fierce Onslaught of the Amigo Pirates 429 A Special Presentation Related to the Movie! The Battle Is On! Luffy vs. Largo 430 A Warlord in Prison! Jimbei, the Honorable Pirate 431 Chief Guard Saldeath's Trap! Level 3 - Starvation Hell 432 The Unleashed Swan! A Reunion with Bon Clay 433 Warden Magellan's Strategy! Straw Hat Entrapment Completed! 434 All Forces Have Gathered! The Battle on Level 4, the Burning Heat Hell! 435 Mighty Magellan! Bon Clay Bugs Out 436 The Showdown Has Come! Luffy's Desperate Last Attack! 437 For His Friend! Bon Clay Goes to the Deadly Rescue! 438 A Paradise in Hell! Impel Down Level 5.5! 439 Luffy's Treatment Begins! Ivan-san's Miraculous Power! 440 Believe in Miracles! Bon Clay's Cries from the Heart 441 Luffy's Back! Ivan-san Begins the Breakout Plan! 442 Ace's Convoy Begins! Battle on the Lowest Floor, Level 6! 443 The Ultimate Team Has Formed! Shaking Impel Down! 444 Even More Chaos! Here Comes Blackbeard Teech! 445 The Dangerous Encounter! Blackbeard and Shiryu of the Rain! 446 No Price Too High! Serious Hannyabal! 447 Jet Pistol of Anger! Luffy vs. Blackbeard! 448 Stop Magellan! Ivan-san's Esoteric Technique Explodes 449 Magellan's Tricky Move! A Foiled Escape Plan! 450 The Escapee Team in Trouble! The Forbidden Move: Venom Demon! 451 Come, Final Miracle! Break Through the Gate of Justice! 452 To the Navy Headquarters! Off to Rescue Ace! 453 The Friends' Whereabouts! The Weatheria Report and the Cyborg Animals! 454 The Friends' Whereabouts! A Cheeper of Giant Birds and a Pink Showdown! 455 The Friends' Whereabouts! Revolutionaries and the Gorging Forest's Trap! 456 The Friends' Whereabouts! A Huge Tomb and the Panty Debt! 457 A Special Retrospective Before Marineford! The Vow of the Brotherhood! 458 A Special Retrospective Before Marineford! The Three Navy Admirals Come Together! 459 Ticking Down to the Time of Battle! The Navy's Strongest Lineup in Position! 460 A Vast Fleet Appears! Here Come the Whitebeard Pirates! 461 The Beginning of the War! Ace and Whitebeard's Past! 462 The Force That Could Destroy the World! The Power of the Tremor-Tremor Fruit! 463 An All-Consuming Inferno!! Admiral Akainu's Power! 464 A Descendent of the Beast! Little Oars Jr. - Full Speed Ahead! 465 Justice for the Winners! Sengoku's Strategy in Action! 466 Straw Hat Team Arrives! Tension Grows at the Battlefield 467 Even If It Means Death! Luffy vs. the Navy; The Battle Starts! 468 Hard Battles, One After Another! Devil Fruit Eaters vs. Devil Fruit Eaters! 469 Kuma's Transformation! Ivan-san's Blow of Anger! 470 The Great Swordsman Mihawk! Luffy Comes Under the Attack of the Black Sword! 471 The Extermination Strategy in Action! The Power of the Pacifistas! 472 Akainu's Plot! Whitebeard Entrapped! 473 The Encircling Walls Activated! The Whitebeard Pirates backed into a corner! 474 Execution Order Issued! Break Through the Encircling Walls! 475 Moving into the Final Phase! Whitebeard's Trump Card for Recovery! 476 Luffy at the End of His Tether! An All-out Battle at the Oris Plaza! 477 The Power That Will Shorten One's Life! Energy Hormone, Redux! 478 To Live Up to a Promise! Luffy and Coby Collide! 479 The Scaffold at Last! The Way to Ace Has Opened! 480 Each on Different Paths! Luffy vs. Garp! 481 Ace Rescued! Whitebeard's Final Order! 482 The Power That Can Burn Even Fire! Akainu's Ruthless Pursuit! 483 Looking for the Answer! 484 The Navy Headquarters Falls! Whitebeard's Unspeakable Wrath! 485 Ending the Matter! Whitebeard vs. The Blackbeard Pirates! 486 The Show Begins! Blackbeard's Plot is Revealed! 487 Akainu's Tenacity! The Fist of Magma Attacks Luffy 488 The Desperate Scream! Courageous Moments that Will Change the Future 489 Here Comes Shanks! The War of the Best is Finally Over! 490 Mighty Leaders Face Each Other Down! Heralding the 'New Era'! 491 Landing at the Maiden Island! The Harsh Reality Falls upon Luffy! 492 The Strongest Tag-Team! Luffy and Toriko's Hard Struggle! (II) 493 Luffy and Ace! The Story of How the Brothers Met! 494 Here Comes Sabo! The Boy at the Gray Terminal! 495 I Won't Run! Ace's Desperate Rescue Operation! 496 To The Sea Someday! The Pledge of the Three Brats! 497 Leaving the Dadan Family for Good?! The Kids' Hideout Has Been Built! 498 Luffy Becoming an Apprentice?! A Man Who Fought Against the King of the Pirates! 499 The Battle against the Big Tiger! Who is Going to be Captain?! 500 Freedom Taken Away! The Nobles' Plot Closing in on the Brothers! 501 The Fire Has Been Set! The Gray Terminal in Crisis! 502 Where can freedom be found? A Sad Departure of a Boy! 503 Take Good Care of Him! A Letter from the Brother! 504 To Live Up to the Promise! Departures of Their Own! 505 I Want to See Them! Luffy's Mournful Cry! 506 Straw Hats in Shock! The Bad News Has Reached Them! 507 Reunited with Dark King Rayleigh! Decision Time for Luffy! 508 Back to Our Captain! A Jail Break at the Sky Island and the Incident on the Winter Island! 509 Encounter! The Great Swordsman Mihawk! Zoro's Self-Willed Deadly Struggle! 510 A Disaster for Sanji! The Queen's Return to the Kingdom! 511 Unexpected Relanding! Luffy, to Marineford! 512 With Hopes It Will Reach My Friends! Big News Spreading Fast! 513 Pirates Get on the Move! Astounding New World! 514 Living through Hell! Sanji's Fight for His Manhood! 515 I Will Get Much, Much Stronger! Zoro's Pledge to His Captain! 516 Luffy's Training Begins! To the Place We Promised in 2 Years! 517 The Beginning of The New Chapter! The Straw Hats Reunited! 518 An Explosive Situation! Luffy vs. Fake Luffy! 519 The Navy Has Set Out! The Straw Hats in Danger! 520 Big Guns Assembled! The Danger of the Fake Straw Hats! 521 The Battle is on! Show Them What You Got From Training! 522 Everyone Together! Luffy, Setting Out for the New World!