Ch. 201Vegapunk's Visit and the Technological Explosion
The Straw Hat Pirates stayed on Kamizuki Yu’s island after witnessing his overwhelming power, then Vegapunk arrived and asked to study him. Kamizuki Yu and Vegapunk exchanged knowledge and began designing a new weapon called Shin-ei.
- The Straw Hat Pirates stayed on the island, where they watched Jack and Cracker settle into its peaceful routines.
- Vegapunk broke through the island’s barrier in his aircraft and hurried to Kamizuki Yu, asking to study his chakra.
- Kamizuki Yu agreed and created a futuristic laboratory for Vegapunk.
- Kamizuki Yu demonstrated Yin–Yang Release and other abilities while Vegapunk presented his research on the Seraphim, Pacifista, Green Blood, and Lunarian Tribe genes.
- Kamizuki Yu and Vegapunk began designing Shin-ei, a weapon combining Pacifista technology, Seraphim genes, Cursed Seal markings, and an Impure World Reincarnation soul core.