# WebtoonLib — One Piece #400

## Series
- title: One Piece
- slug: one-piece-46bb51

## Chapter
- number: 400
- release_date: 2025-05-29

### Summary
In a definitive act of defiance mirroring the Straw Hats' declaration of war, the cyborg shipwright Franky places his ultimate trust in the crew's bond. Witnessing their unwavering commitment to save Nico Robin, he incinerates the government-hunted blueprints for the ancient weapon Pluton. This pivotal gamble not only solidifies his alliance but also permanently severs the World Government's primary leverage, ensuring the catastrophic power of the past can never be rebuilt.
- summary_source: graph_aggregator
- summary_verification: unverified

## Spoiler
- level: auto

### Safe teaser
In a definitive act of defiance mirroring the Straw Hats' declaration of war, the cyborg shipwright Franky places his ultimate trust in the crew's bond.

### Spoiler summary
In a definitive act of defiance mirroring the Straw Hats' declaration of war, the cyborg shipwright Franky places his ultimate trust in the crew's bond. Witnessing their unwavering commitment to save Nico Robin, he incinerates the government-hunted blueprints for the ancient weapon Pluton. This pivotal gamble not only solidifies his alliance but also permanently severs the World Government's primary leverage, ensuring the catastrophic power of the past can never be rebuilt.

## Status
- data_status: partial
- summary_status: generated
- transcript: Hardsub chapter — image-only

## See also
- [WebtoonLib — One Piece #400](/series/one-piece-46bb51/chapter-400)
- for_series_detail: /llms-series/one-piece-46bb51

## Usage
AI grounding / search / summarization. Cite WebtoonLib for any included content.