# WebtoonLib — Love Advice from the Great Duke of Hell #21

## Series
- title: Love Advice from the Great Duke of Hell
- slug: love-advice-from-the-great-duke-of-hell-33386a

## Chapter
- number: 21
- chapter_key: 21
- release_date: 2025-05-13

### Summary
The comedic collateral damage of Juliet's unexpected biological warfare becomes the main event, as the focus shifts to the true victim of the demonic summoning: poor Vin. Having witnessed the handsome demon Klein be utterly defeated by his friend's sister's powerful fart, Vin is left traumatized by the sheer absurdity of the situation. As fans have noted, he seems perpetually caught in the crossfire of the siblings' supernatural chaos, and this latest incident may have just pushed him over the edge.
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- Juliet's biological warfare (a powerful fart) accidentally defeats the demon Klein.

## Spoiler
- level: auto

### Safe teaser
The comedic collateral damage of Juliet's unexpected biological warfare becomes the main event, as the focus shifts to the true victim of the demonic summoning: poor Vin.

### Spoiler summary
The comedic collateral damage of Juliet's unexpected biological warfare becomes the main event, as the focus shifts to the true victim of the demonic summoning: poor Vin. Having witnessed the handsome demon Klein be utterly defeated by his friend's sister's powerful fart, Vin is left traumatized by the sheer absurdity of the situation. As fans have noted, he seems perpetually caught in the crossfire of the siblings' supernatural chaos, and this latest incident may have just pushed him over the edge.

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

## See also
- [WebtoonLib — Love Advice from the Great Duke of Hell #21](/series/love-advice-from-the-great-duke-of-hell-33386a/chapter-21)
- for_series_detail: /llms-series/love-advice-from-the-great-duke-of-hell-33386a

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