Recaps

Xi Yan and the Straw Hat Pirates reached the research facility as poisonous gas spread behind them, and Zoro and Kin'emon cut open its steel gate. After Xi Yan discovered Luffy and the others were not in the cage, Merry used her Wind Force to help the Marines close and secure the gate, promising to hold it in place.

• Xi Yan's group rode the Wood Dragon to the research facility, where they found G5 Marines trapped outside the Great Gate.
• Zoro and Kin'emon cut a huge opening through the steel gate, allowing the pirates and Marines to enter before the poisonous gas arrived.
• Merry noticed the cage meant for Luffy and the others, but Xi Yan used Observation Haki and found no one inside, suggesting they had escaped.
• The Marines and pirates hurried inside, and the Vice Captain ordered the Marines to raise the cut gate and seal the entrance.
• Merry used Wind Force to lift the heavy gate back into place and offered to hold it there while the Marines secured it.

Merry held back the Poisonous Gas, then used Xi Yan’s Summoning Technique to bring the Thousand Sunny into the research facility. The Marines stared in shock as she proudly explained how she had done it.

• Merry explained to the Vice Captain that she had joined the Straw Hat Pirates willingly, and Xi Yan suggested the Marines might help deliver the rescued children.
• Merry held the Great Gate shut against the Poisonous Gas until the threat outside subsided, and Brook confirmed there was no sign of life beyond it.
• Perona returned with news that Luffy and the others were safe, and Law switched Sanji and Franky back into their own bodies.
• Franky worried that the Thousand Sunny might be contaminated by the Poisonous Gas, so Merry said she would bring the ship inside rather than go outside.
• Merry used the Summoning Technique to summon the Thousand Sunny into the facility, leaving the Marines shocked.

Merry revealed that she could seal the Thousand Sunny into a scroll, demonstrating Xi Yan’s ninjutsu to the marines. Law then warned everyone that the research facility had a secret route to the sea and gave them two hours to escape, while the marines prioritized finding Vergo.

• The Vice Captain asked Merry whether she had inherited Xi Yan’s ninjutsu, and Merry said she had learned only the Summoning Technique and Sealing Technique because she was a Ship Spirit.
• Merry sealed the Thousand Sunny into a scroll, shocking the marines and impressing Law with the power of Xi Yan’s abilities.
• Law told everyone that the facility’s route to the sea led through Building A, B Block, and R Building, and gave them two hours to escape before warning that the facility might become unsafe.
• The marines lowered their weapons after the Vice Captain ordered them to focus on rescuing Vergo, and Luffy promised Zoro he would stop letting his guard down.
• Perona told the marines that Vergo was with Caesar and seemed to be working with him, prompting them to angrily accuse her of lying.

Xi Yan joined Law’s plan to capture Caesar and assigned Franky to accompany Luffy while Nami led the others to search for Caesar’s abducted children. The Marines agreed to search for both the children and the missing Vergo, and Merry went with them alongside Sanji as they headed toward R-66.

• The Vice Captain suspected that someone had impersonated Vergo, while the Marines remained convinced Vergo could not be a traitor.
• Xi Yan agreed to accompany Law and arranged for Franky to go with Luffy to capture Caesar.
• Merry explained that Caesar had abducted children and subjected them to years of experiments, prompting the Marines to join the search for them.
• Nami led her group toward the facility’s depths to find the children, while the Vice Captain split the Marines between searching for the children and looking for Vergo.
• Merry chose to accompany the Marines, and Sanji joined her as they set out toward B Block and the Great Gate of R-66.

Caesar realized the Straw Hat Crew, Law, and the G5 Branch Navy had escaped the poison gas and ordered Building A isolated and exposed to Death Country. As Vergo went to confront Law, Xi Yan learned that Law’s heart was in the enemy’s hands and that Law wanted his help retrieving it.

• Caesar, Monet, and Vergo deduced that the G5 Branch Navy had helped the others escape the gas, and a soldier reported that the group had invaded Building A.
• Caesar ordered the passage to B Block closed and Building A’s walls destroyed to release Death Country, despite the danger to his own soldiers, and demanded another Public Experiment broadcast.
• Vergo set out to deal with Law personally, then realized he had no sword and left to fight with his fists and feet.
• Luffy and Franky charged deeper into the tunnel while Xi Yan and Law teleported ahead; Xi Yan said the closing gate would not stop their companions.
• Law showed Xi Yan the hollow space in his chest and revealed that the enemy held his heart, asking for help retrieving it.
• Xi Yan asked whether Law trusted him not to steal the heart.

Xi Yan agreed to help Law retrieve his heart by luring Vergo to the S laboratory, while Nami's group raced toward the Great Gate as Caesar released Poisonous Gas into the facility. Nami carried Tea Beard and the others on a cloud mass toward B Block, leaving Merry's group to catch up behind them.

• Law admitted he feared Xi Yan might keep his heart, but Xi Yan agreed to help him and warned him not to deceive the Straw Hat Crew.
• Law revealed he could lure Vergo to the S laboratory, and he and Xi Yan headed deeper into the tunnel.
• Nami's group learned the Great Gate was closing, and Robin returned after carrying out a task for Luffy.
• Caesar blasted a hole in the wall, sending Poisonous Gas into the facility and forcing Nami's group to flee.
• Nami used her Cloud Cloud Fruit to create a cloud mass that carried Tea Beard and the others toward B Block while they planned to find the children.

Sanji and Merry escaped the poisonous gas with the G5 Marines, then confronted Vergo when he attacked his fellow Marines. As Sanji and Merry fought to stop Vergo, Caesar ordered Monet to trap the Marines and release poison gas, even though Vergo was still among them.

• Merry used her wind to carry Sanji and the G5 Marines through the Great Gate before it closed, while Nami fled ahead.
• A small green dragon attacked the group, but Merry struck it with a powerful gust; the dragon recovered and flew away.
• Vergo appeared and began killing the Marines, while they refused to believe he was a traitor and called him an impostor.
• Merry struck Vergo, and Sanji stepped in to fight him after Vergo threatened to kill the Straw Hat Pirates.
• Caesar ordered Monet to seal the passages and release poisonous gas to kill the G5 Marines, despite Vergo still being there.

Luffy and Franky found Caesar and fought him and Monet, but Caesar escaped after Luffy landed a fast attack. Monet sealed the Great Gate with ice and snow to keep Luffy and Franky from pursuing him.

• Franky brought Luffy to the Great Gate, where Luffy rushed in and struck Caesar with a Haki-coated punch.
• Franky faced Monet, discovered she was a flying Logia Snow-Snow Fruit user, and struggled to fight her without Haki.
• Caesar repeatedly used his air-removing power against Luffy, but Franky pulled Luffy to safety and Luffy later used Second Gear to strike Caesar before he could react.
• Monet blocked Luffy's next attack with a Snow Wall, then urged Caesar to leave so he could return to his experiment.
• Caesar escaped as gas, and Monet froze the Great Gate to prevent Luffy and Franky from chasing him.

Law and Xi Yan infiltrated the S.A.D. production room to lure Vergo there, while Sanji and Merry helped the Marines escape the poisonous gas. Vergo rushed to confront Law and told Doflamingo about the betrayal, leaving Law poised to avenge Corazon.

• Law stopped Xi Yan from smashing the Great Gate, then opened it with a hidden switch to trigger an alarm and draw Vergo to the S.A.D. room.
• Law told Xi Yan that Vergo was his to kill because Vergo had caused Corazon's death, and Xi Yan agreed to let him handle it.
• Vergo abandoned his fight with Sanji after hearing the alarm, while Sanji and Merry rescued the wounded Marines from the poisonous gas.
• Sanji helped the Marines regroup, and their vice captain urged them to follow Sanji and Merry to escape alive.
• Vergo called Doflamingo and reported that Law had infiltrated the S.A.D. room; Doflamingo ordered him to protect the production room and kill Law.

Luffy and Franky confronted Monet on Punk Hazard while Doflamingo ordered her to keep Caesar safe and promised to send Baby-5 and Buffalo. Franky’s lasers and Luffy’s attacks failed to finish Monet, who remained hidden and swift in the snow as they searched for a way to hit her.

• Luffy and Franky questioned Monet about the alarm before Doflamingo called her and warned that Luffy possessed Conqueror’s Haki.
• Doflamingo mocked Luffy for resenting his attempt to recruit the Blood-Eyed Ninja and said he would send Baby-5 and Buffalo to Punk Hazard.
• Monet blocked Luffy and Franky from reaching Caesar, but dodged Franky’s powerful laser attack by hiding within the snow.
• Monet attacked with snow pythons and trapped Franky while Luffy used Gum-Gum Jet Gatling to smash her Snow Top House.
• Monet appeared beside Franky and tried to bite his neck, but Franky fired a laser that forced her to retreat into the snow.
• Luffy sensed Monet moving rapidly through the snow, and Franky realized that her Logia powers made her difficult to defeat.

Monet outmaneuvered Luffy and Franky and sent them falling into a cavern, though they stopped themselves against its steel wall. Elsewhere, Perona’s Negative Ghosts briefly incapacitated an enhanced dragon, which got back up before Nami could put out the surrounding fires.

• Monet used a blizzard, ice walls, and a hole in the floor to make Luffy and Franky fall, then left them in the cavern below.
• Franky punched a dent and then a hole into the cavern’s steel wall, stopping their fall, and he and Luffy prepared to climb back up.
• Usopp, Tea Beard, Nico Robin, Nami, and Perona faced an enhanced dragon that threatened nearby oil tanks.
• Perona’s Negative Ghost passed through the dragon and knocked it down, but the dragon soon rose again, enraged.
• Perona formed an Exploding Ghost to attack the dragon, but Nico Robin grabbed her arm before she could send it.

Nami struck the dragon with lightning, but it survived, and Kin'emon and Brook defeated it with their sword attacks. The Straw Hat Pirates then heard Chopper roar and headed uphill to find him, while Tea Beard went off alone to search for his subordinates and confront Caesar.

• Perona stopped using Exploding Ghosts after Robin and Usopp warned that they could ignite the oil tanks, while Kin'emon and Brook argued over who would fight the dragon.
• Nami used the Cloud Cloud Fruit to summon lightning and knock the dragon down, but it recovered and attacked Kin'emon and Brook with flames.
• Kin'emon cut through the dragon's fire, and he and Brook combined their sword attacks to knock it unconscious.
• Kin'emon revealed that dragons reminded him of the deaths of his brothers and Lord Oden, then followed the others after suppressing his rage.
• Nico Robin recognized Chopper's roar from the high ground, and Nami led the group toward him as Tea Beard parted ways to seek his subordinates and confront Caesar.

Chopper and the Straw Hats tried to save the drugged children from eating poisonous candy, with Perona briefly calming them through her Negative Ghosts. As the group prepared to lead the children toward R-66, Monet blocked the exit and confronted them in the Biscuit House.

• The children overpowered Chopper after his Rumble Ball ran out, but Perona and the others arrived as they headed for the Biscuit House.
• Chopper explained that Caesar had experimented on the children and that Mocha had taken the candy; Perona used Negative Ghosts to make the children collapse and cry for their parents.
• When the children began seeking candy again, Nami proposed using Mocha's candy to lure them while Perona repeatedly calmed them, and Kin'emon searched unsuccessfully for Momonosuke.
• Monet froze the Great Gate exit, persuaded Mocha to share the candy, and unleashed wind and snow inside the Biscuit House.
• Monet revealed that she had eaten the Snow-Snow Fruit, while Nami and Perona challenged her for interfering with their attempt to save the children.

Nami stayed behind in the Biscuit House to fight Monet while the others evacuated the children, then used the Cloud Cloud Fruit and her weather knowledge to turn hot and cold clouds into shifting air currents and a vortex. Monet realized Nami’s clouds could be the key to her power, but Nami’s next move left her stunned.

• Monet intensified the blizzard to stop the Straw Hat Pirates from taking the children, while Nico Robin sent Usopp and Brook to find Sea Stone handcuffs and Kin'emon to search for Momonosuke.
• Nami stayed behind to face Monet as Nico Robin, Perona, Mocha, Zoro, and the others moved to evacuate the children.
• Monet pierced Nami with an Ice Cone, but Nami dispersed into clouds and revealed that she had used them to carry the children out of the Biscuit House.
• Nami brought out a Cold Cloud and a hot cloud, using their different temperatures to create pressure zones that redirected Monet’s attacks and formed a vortex that destroyed her ice blades.
• Monet made an Ice and Snow Wall and prepared to freeze Nami’s clouds, but she noticed the clouds changing again.

Nami used the Cloud Cloud Fruit and meteorological techniques to overpower Monet in the Biscuit House. She defeated Monet with lightning from a cumulonimbus cloud and left her unconscious amid the ruins.

• Nami compressed hot and cold clouds, then combined them into a blazing Hot Wind Pillar that melted Monet's ice defenses.
• Monet froze the Cold Cloud to slow the Hot Wind Pillar, but Nami made the pillar explode and scorched Monet despite her efforts to resist.
• Monet survived the heat attack with severe burns and charged Nami with ice blades, while Nami blocked her strike with the Clima-Tact.
• Nami revealed that evaporated water vapor had formed a cumulonimbus cloud above the Biscuit House and summoned lightning with Heavenly Punishment.
• Lightning struck Monet and destroyed the room, leaving her unconscious beneath debris as Nami dispersed the clouds and departed.

Nami reunited with Merry and Sanji after destroying the Biscuit House, while Law and Xi Yan waited for Vergo at the research lab. Xi Yan helped Law recover his heart, and Law revealed his regained strength by cutting Vergo and the lab in half.

• Nami told Merry and Sanji that she had destroyed the Biscuit House with Thundercloud and that Perona and the others were escorting the children toward R-66.
• Sanji warned that Caesar might release poisonous gas, so Nami urged everyone to hurry and catch up with Zoro and the others.
• Vergo arrived and beat Law, then took Law's heart while dismissing Xi Yan as too weak to interfere.
• Xi Yan snatched the heart from Vergo and handed it back to Law, then sent Vergo flying with a single punch.
• Law restored his heart, confronted Vergo as Doflamingo listened through a Den Den Mushi, and slashed Vergo despite his full-body Armament Haki.
• Law's attack cut Vergo in half and sliced through the research lab, prompting Xi Yan to lament the damage.

Law and Xi Yan defeated Vergo’s last attempt to stop them and headed to join Luffy and the others, with Law planning to capture Caesar and leave Punk Hazard. Meanwhile, Luffy and Franky emerged near the surface as Caesar revealed his crimes to Tea Beard, who began to regain control of his body.

• Law cut Vergo apart when he attacked, then silenced him before leaving with Xi Yan and warning him that the room would soon be destroyed.
• Law told Xi Yan that they needed to capture Caesar and escape Punk Hazard, and Xi Yan said Nami could use the Cloud Cloud Fruit to transport everyone.
• Luffy and Franky broke through the ceiling and headed down the corridor to find Caesar after Luffy’s presence overwhelmed the Taxi Soldiers.
• Caesar told the immobilized Tea Beard that he had abandoned and killed Tea Beard’s subordinates and had caused the disaster four years earlier.
• Tea Beard, enraged by Caesar’s confession, regained some mobility and swung his great saber at him.

Caesar manipulated the Taxi Soldiers into shooting Tea Beard, but Luffy and Franky intervened and confronted him. After Caesar boasted about his ties to Doflamingo and the Four Emperors, Luffy struck him down and survived his gas attack; Caesar then called for the Death Country to be released into the building.

• Caesar pretended Tea Beard had gone berserk and persuaded the Taxi Soldiers to shoot him.
• Luffy arrived, left Franky to protect Tea Beard, and confronted Caesar as the soldiers withdrew to the Second Floor.
• Caesar explained the island’s connection to the Dark World and revealed that Law wanted S.A.D for making Doflamingo’s SMILE fruits.
• Luffy punched Caesar after he threatened him with Doflamingo and the Four Emperors, then struck him again after surviving the Gas Spray Gun.
• As rubble fell around them, Caesar contacted his soldiers and ordered them to open the ventilation opening and release the Death Country.

Caesar released Death Country and absorbed the poisonous gas, then attacked his own soldiers to demonstrate its power. Luffy returned and defeated him with Grizzly Magnum, while the underworld watched the Straw Hat Crew’s victory; Usopp then warned the survivors that the gas was spreading.

• Caesar ordered the soldiers to release Death Country, dismissing their lives as worthless, and they reluctantly obeyed.
• Caesar absorbed the poisonous gas and transformed into a giant gas body, then turned his poisonous arm on his soldiers and petrified them.
• Luffy ran into a tunnel while Xi Yan and Law stayed behind, confident that he would return to face Caesar.
• Luffy charged back and struck Caesar with Armament Haki-coated Grizzly Magnum, smashing through his gas and sending him through the R-66 Great Gate.
• Underworld viewers witnessed Caesar’s defeat, and Pekoms left to report the incident to Big Mom.
• Usopp confirmed the live broadcast had ended, then warned the Taxi Soldiers that poisonous gas was approaching.

The Straw Hats regrouped in the R Building after Usopp ventilated the poisonous gas, and Law treated Tea Beard while the crew secured Sea Stone handcuffs for Caesar. With the facility close to collapse, Nami prepared to carry everyone out on a cloud mass, while Merry and Sanji remained elsewhere with the Marines.

• Usopp activated the ventilation fan and cleared the poisonous gas from the R Building hall.
• Nami brought the children and the others safely into the building on a cloud mass, and Law confirmed Tea Beard was injured but not in danger.
• Law removed bullets from Tea Beard, while Usopp found Sea Stone handcuffs among Caesar’s soldiers for restraining Caesar.
• Xi Yan suggested that Law rip out Caesar’s heart, but Luffy said he could simply beat Caesar down again if he escaped.
• Nami explained that Merry had stayed with the Marines and Sanji had stayed with her, and Xi Yan said Merry would be fine.
• Law urged Nami to prepare an escape cloud as cracks spread across the ceiling.

The Straw Hat crew and the rescued children escaped the poisonous gas in Punk Hazard and gathered in R Building, where Law learned that Merry controlled wind through her Ship Spirit powers. After they realized Brook was still in the gas-filled area with Kin'emon, Merry went back to find them while Nami prepared a huge cloud to carry everyone to safety.

• Nami prepared a large cloud to evacuate the children, and Law learned from Xi Yan that Merry's wind control came from her being a Ship Spirit, not from a Logia Devil Fruit.
• Merry led the Marines through the poisonous gas to R Building, where she reunited with Perona and learned that Robin had found the children.
• Zoro and Sanji began fighting, and Luffy told Law that the two were only playing.
• Usopp reported that Brook was charging toward the group through a tunnel while carrying a white statue, which Xi Yan identified as Kin'emon covered in poisonous gas.
• Merry rushed back through the Great Gate to find Brook and Kin'emon as Nami finished preparing a cloud large enough to carry everyone away.

Nami’s group escaped the collapsing facility with the children and Marines, while Buffalo and Baby-5 arrived at Punk Hazard and cleared poisonous gas from part of the island. Doflamingo warned them to leave before a massive explosion, then learned from a dying Monet that his forces had been defeated and admitted he had misjudged the Straw Hat Pirates and Law.

• Nami reassured Mocha that the children could go home, and she took Usopp, the soldiers, and the others away from the collapsing facility on her cloud.
• Baby-5 complained that Doflamingo had destroyed another fiancé and town, while Buffalo urged her to understand the Young Master and asked to borrow 2 million Beli.
• Buffalo used his Devil Fruit ability to blow the poisonous gas away from part of Punk Hazard, then he and Baby-5 waited aboard a cruise ship and called Doflamingo.
• Doflamingo told Buffalo that Vergo had lost and ordered him and Baby-5 to leave Punk Hazard because the island was about to explode.
• Doflamingo answered Monet’s call and heard her say she was about to die; he admitted he had misjudged the Straw Hat Pirates and Law, then confirmed that Law had defeated Vergo.

Monet prepared to activate Punk Hazard’s Detonation Device on Doflamingo’s orders, while Xi Yan and the others learned that the island was in danger as they escaped through a tunnel. Xi Yan summoned a Wood Dragon to carry the group toward the exit at full speed.

• Doflamingo told Monet to activate the Detonation Device, and she revealed that she was already beside it and agreed to destroy the island with everyone still there.
• Law led the group through a tunnel toward a cruise ship, while Brook explained how Kin'emon had entered the Poisonous Gas and emerged as a statue.
• An explosion shook the island, and Xi Yan warned the others that he sensed a looming danger.
• The group woke Caesar and beat him until he revealed that activating the Detonation Device could blow up the entire island.
• Xi Yan summoned a Wood Dragon, which swallowed Nami’s cloud and rushed the group through the tunnel toward the exit.

Xi Yan shielded the group and their cruise ship from a massive explosion with Wood Style: Ranking Wall Technique. Once the blast subsided, Brook prepared to scout outside by sending out his soul.

• Caesar feared Monet might trigger the explosion, then celebrated when he heard Nami had defeated her.
• Xi Yan spotted Poisonous Gas at the tunnel exit, and Merry cleared a safe passage with Wind Impact.
• Xi Yan brought everyone out of the tunnel, but a distant explosion began, so he protected the group and cruise ship with Wood Style: Ranking Wall Technique.
• The blast’s shockwaves struck the wooden shield, frightening the children until Nami lifted everyone onto clouds and Xi Yan assured them they were safe.
• After the shockwaves stopped, Xi Yan chose Brook to scout outside, and Brook began sending his soul out of his body.

After Xi Yan’s Wood Style shield protected the group from the explosion, the Straw Hat Crew and Marines surveyed the ruined island and discussed the poisoned children’s care. Law agreed to remove some of their toxins, while Nami negotiated with the Marines about their longer-term treatment.

• Brook saw that the explosion had reduced the island to ruins, and Xi Yan explained that Law’s earlier slash had removed the upper part of the mountain.
• Zoro asked Law to spar, and Law agreed to do so after they finished their business.
• The Marines thanked Xi Yan for protecting them, and Xi Yan clarified that he had blocked the explosion without using Haki.
• Chopper said the children needed long-term treatment, and Nami began discussing their care with the Marines.
• Sanji prepared to cook Okama Cuisine for the group.
• Xi Yan asked Law to treat the children, and Law agreed to remove the excess toxins while saying full recovery would require a long recuperation.