# WebtoonLib — Fire Force #291

## Series
- title: Fire Force
- slug: fire-force-86c62c

## Chapter
- number: 291
- release_date: 2025-05-29

### Summary
In a climactic duel against the nihilistic Dragon, Arthur Boyle has made the ultimate sacrifice. Having transformed his "Knight King" delusion into reality-bending power with the bizarre sword Excalibur, Arthur's will remained unbreakable even in the face of his cruel, reappearing parents. His journey from a comedic fool to a true hero culminates in a tragic, self-sacrificial death, leaving the battlefield just as a changed Shinra returns with a terrifying grin to face the godlike Evangelist's final act of destruction.
- summary_source: graph_aggregator
- summary_verification: unverified

### Characters involved
- Iris — character
- Shinra Kusakabe — character
- Excalibur — character
- Dragon — character
- Arthur Boyle — character

## Spoiler
- level: auto

### Safe teaser
In a climactic duel against the nihilistic Dragon, Arthur Boyle has made the ultimate sacrifice.

### Spoiler summary
In a climactic duel against the nihilistic Dragon, Arthur Boyle has made the ultimate sacrifice. Having transformed his "Knight King" delusion into reality-bending power with the bizarre sword Excalibur, Arthur's will remained unbreakable even in the face of his cruel, reappearing parents. His journey from a comedic fool to a true hero culminates in a tragic, self-sacrificial death, leaving the battlefield just as a changed Shinra returns with a terrifying grin to face the godlike Evangelist's final act of destruction.

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

## See also
- [WebtoonLib — Fire Force #291](/series/fire-force-86c62c/chapter-291)
- for_series_detail: /llms-series/fire-force-86c62c

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