Arc 18The Battle for Hachinosu
Roy’s choices reshaped the Marines and the Holy Knights while Teach built his power and reclaimed Hachinosu. Two years later, Ace, Luffy, Zoro, and Kuina attacked Teach, whose awakened Nika Form turned their battle into a struggle against his growing darkness.
- Rosinante silenced Tot Musica at Sabaody, and Roy removed its lingering shadow from Uta before she reconciled with Shanks and agreed to study with Tsuru.
- Roy revealed Shanks’s origins and sent him back to the Holy Land, where Shanks rejoined the Holy Knights and later reunited with Uta.
- Roy welcomed Rock and Airin to Marineford, where his family and companions celebrated together.
- Teach reached Zunesha, fought the Mink Tribe, and later reclaimed Hachinosu while enforcing rules against harming the public welfare project.
- Shanks dueled Mihawk at Kuraigana Island, while Shamrock failed to recruit Loki to the Holy Knights and stirred tensions in Elbaf.
- Roy left Marineford to pursue Ace, Luffy, Zoro, and Kuina as they sailed to Hachinosu to confront Teach.
- Ace, Luffy, Zoro, and Kuina fought Teach and his officers across Hachinosu, defeating several of them as Ace blasted Teach into a burning crater.
- Teach emerged in awakened Nika Form, overwhelmed Luffy and the others, then rose again after their combined attack and unleashed a powerful aura of darkness.