# WebtoonLib — Fire Force #191

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

## Chapter
- number: 191
- release_date: 2025-05-29

### Summary
As the desperate battle against the traitorous Captain Burns rages on, Arthur Boyle fully commits to his "Knight King" delusion, causing his power to surge. His conviction manifests in a spectacular display, transforming his plasma sword Excalibur into a massive broadsword. Despite this unprecedented power-up and a valiant effort, his attack is ultimately not enough to defeat the formidable captain.
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- Arthur transforms Excalibur into a massive broadsword using his Knight King delusions.

### Characters involved
- Leonardo Burns — character
- Arthur Boyle — character

## Spoiler
- level: auto

### Safe teaser
As the desperate battle against the traitorous Captain Burns rages on, Arthur Boyle fully commits to his "Knight King" delusion, causing his power to surge.

### Spoiler summary
As the desperate battle against the traitorous Captain Burns rages on, Arthur Boyle fully commits to his "Knight King" delusion, causing his power to surge. His conviction manifests in a spectacular display, transforming his plasma sword Excalibur into a massive broadsword. Despite this unprecedented power-up and a valiant effort, his attack is ultimately not enough to defeat the formidable captain.

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

## See also
- [WebtoonLib — Fire Force #191](/series/fire-force-86c62c/chapter-191)
- for_series_detail: /llms-series/fire-force-86c62c

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