# WebtoonLib — Brother Knows Best #20

## Series
- title: Brother Knows Best
- slug: brother-knows-best-fa6ab9

## Chapter
- number: 20
- release_date: 2025-05-08

### Summary
Following a failed poisoning attempt, Empress Raviel makes the startling deduction that the culprit, despite using a lethal poison, may not have actually intended to kill her. This puzzling theory deepens the central mystery, sparking reader speculation about the poisoner's true motive. Amidst the danger, the chapter highlights the bizarrely heartwarming dynamic of Raviel's inner circle—her "lunatic" brother Edwin and husband Duke Haven. Their unique camaraderie, a mix of mutual respect and homicidal affection, provides a moment of levity as they rally around their empress, proving that even loonies can be the most loyal allies.
- summary_source: graph_aggregator
- summary_verification: unverified

## Spoiler
- level: auto

### Safe teaser
Following a failed poisoning attempt, Empress Raviel makes the startling deduction that the culprit, despite using a lethal poison, may not have actually intended to kill her.

### Spoiler summary
Following a failed poisoning attempt, Empress Raviel makes the startling deduction that the culprit, despite using a lethal poison, may not have actually intended to kill her. This puzzling theory deepens the central mystery, sparking reader speculation about the poisoner's true motive. Amidst the danger, the chapter highlights the bizarrely heartwarming dynamic of Raviel's inner circle—her "lunatic" brother Edwin and husband Duke Haven. Their unique camaraderie, a mix of mutual respect and homicidal affection, provides a moment of levity as they rally around their empress, proving that even loonies can be the most loyal allies.

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

## See also
- [WebtoonLib — Brother Knows Best #20](/series/brother-knows-best-fa6ab9/chapter-20)
- for_series_detail: /llms-series/brother-knows-best-fa6ab9

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