Sephiroth used the Rumble-Rumble Fruit and Babylon’s technology to expand his power from Sky Island into the Blue Sea, forming an alliance with Doflamingo while building a family and bringing new allies to Babylon. The stretch ended with Bartholomew Kuma asking Sephiroth to save someone in exchange for anything he wanted.
Sephiroth destroyed Moria, gathered Perona and Brook into Kessoku Band, and drew the World Government’s attention with his power and public performances. After fighting Kizaru and driving him from the Calm Belt, Sephiroth returned to the Thunderhawk with Perona and Brook while the government prepared its next move.
Sephiroth expanded his influence through rescue work, political planning, and intervention across the seas, while preparing Ace for the future and returning Marguerite to Amazon Lily. The arc ended with Babylon establishing ties with the Kuja and Monet approaching Sephiroth on Doflamingo’s behalf.
Sephiroth assembled Babylon’s forces and led an attack on Dressrosa to overthrow Doflamingo and restore the kingdom’s royal authority. Sugar’s defeat freed the people and exposed the truth, and Sephiroth left Doflamingo unconscious after defeating him in the Arena.
Sephiroth defeated Kaido’s assault on Babylon, strengthened his alliances, and committed to Hancock as their relationship became public within his circle. He brought Hancock to Babylon for Christmas, where she met his family and allies as preparations for the holiday continued.
Sephiroth secured Achiu, Olga, and Pure Gold from the Lanternfish, then brought them to Bilca while drawing the World Government’s attention toward his Bondrewd persona. On the moon, Monet reunited with Sugar and questioned Sephiroth’s treatment of prisoners, while a meeting with Babbage ended with a mysterious black box and cryptic reports.
Sephiroth fought Katakuri and Kaido, then secured a Babylonian concession in Wano and reached agreements with Kaido. He returned to Titans with Yamato, established trade with Jinbe, appointed Reiju as a diplomat, and prepared to announce his wedding to Hancock.
Sephiroth married Hancock, forged a marriage alliance with Big Mom, and expanded Babylon’s influence through research and disaster relief. After Nami gained a Dragon Devil Fruit and Sephiroth clashed with Ace’s crew, Naruto was badly damaged, Bondrewd escaped, and Shining agreed to advise the Marine Science Unit.
Sephiroth expanded Babylon’s influence by aiding Alabasta, defeating Crocodile, and securing alliances with Vivi and Robin. He then traveled to Fish-Man Island, where he stopped Vander Decken and Hody Jones and agreed to arrange its immigration to Sky Island.
Sephiroth expanded Babylon’s reach, recruited Uta and Tashigi, and secured trade and intelligence in Wano Country. Disguised as Bondrewd, he then attacked the World Government’s hunting game on Jade Island, leaving the Marines overwhelmed by the violence and chaos.
Bondrewd’s attack on the Celestial Dragons led to his record-setting bounty and drew the attention of the world’s powers, while Sephiroth expanded his alliances and pursued his own plans. The arc ended with Elaina gaining mysterious powers and the Five Elders suspecting that the Sixth Magic had appeared.
Sephiroth’s alliances and travels brought him into conflict with Uta’s past, then carried Robin to Elbaf for a long-awaited reunion with Saul. The arc left Sephiroth among the Giants as his powerful Haki stirred Gaban’s suspicions.
Sephiroth’s network confronted Shiki and the World Government’s pursuit, while his allies settled Merveille’s refugees and advanced diplomatic ties with Elbaf. Back in Wano, he agreed to help Hiyori restore the Kozuki Family, and the arc ended with Sukiyaki challenging Orochi as a young samurai struck down Daikoku.
Yamato became shogun and opened Wano’s borders while Sephiroth’s travels brought him to Elbaf and Gerd. Shining accepted honorary Celestial Dragon status, then joined his companions at Gran Tesoro, where Bondrewd’s attack revealed their past connection and trapped them in a sprawling battle.
Bondrewd’s assault on Gran Tesoro escalated into a battle that lifted the island into the sky, where Babbage defeated him. Afterward, Shining investigated Bondrewd’s methods, while Sephiroth gathered allies and continued his travels through Amazon Lily and Dressrosa.
Sephiroth and his allies investigated the Seven Star Sword on Asuka Island, where Shuzo and Golden Lion’s forces drew them into a fight. The Praying Hands captured York, while Isabella and Ain subdued Shuzo, leaving the groups converging on the island’s remaining conflict.
Sephiroth defeated Bondrewd on Asuka Island, took the Seven Star Sword, and married Uta before turning his attention to Whole Cake Island. Meanwhile, Bondrewd pursued resurrection experiments on Carnival Island as the Navy and several pirate crews converged, leaving the island’s infiltration underway and its danger growing.
Bondrewd’s experiments on Carnival Island drew pirates, Marines, and other fighters into a battle over the Flower of Resurrection, ending with Sephiroth driving Bondrewd away. The story shifted to Ruluka Island, where the Rainbow Mist trapped several groups in separate regions and raised the possibility of travel through time.
Bondrewd’s pursuit through the Rainbow Mist ended with the mist’s collapse and the survivors’ return, while Sephiroth followed the Straw Hat Pirates’ early voyage and celebrated Nami’s birthday. The story left the crew exploring Titans, where Zoro defeated T Bone, as Bondrewd’s hunt for Blackbeard drew the Marines’ attention.
The Straw Hat Pirates explored Babylon, rescued Chopper through its trials, and began learning Haki before returning to Water 7. After they were framed for Iceburg’s attack, they pursued CP9 to Enies Lobby, where Bondrewd seized the Pluton Blueprints and confronted Garp and Kizaru.