# WebtoonLib — Dr. Stone #103

## Series
- title: Dr. Stone
- slug: dr-stone-5eb95b

## Chapter
- number: 103
- release_date: 2025-05-29

### Summary
The voyage to Treasure Island, a mission to uncover the secrets of Soyuz's ancestry and a final message from Byakuya Ishigami, takes a horrifying turn. A brief, quiet moment between Senku and Kohaku is shattered when a new, mysterious petrification event strikes the crew of the Perseus. The shock and chaos are immediate as key members, including the sharp-eared Ukyou, are turned to stone once more, transforming their quest for knowledge into a desperate struggle against an unseen enemy with the power to reset humanity all over again.
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- Kirisame uses the Medusa device to petrify almost the entire crew of the Perseus upon arrival.

### Characters involved
- Ukyou Saionji — character
- Kohaku — character
- Byakuya Ishigami — character
- Soyuz — character

## Spoiler
- level: auto

### Safe teaser
The voyage to Treasure Island, a mission to uncover the secrets of Soyuz's ancestry and a final message from Byakuya Ishigami, takes a horrifying turn.

### Spoiler summary
The voyage to Treasure Island, a mission to uncover the secrets of Soyuz's ancestry and a final message from Byakuya Ishigami, takes a horrifying turn. A brief, quiet moment between Senku and Kohaku is shattered when a new, mysterious petrification event strikes the crew of the Perseus. The shock and chaos are immediate as key members, including the sharp-eared Ukyou, are turned to stone once more, transforming their quest for knowledge into a desperate struggle against an unseen enemy with the power to reset humanity all over again.

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

## See also
- [WebtoonLib — Dr. Stone #103](/series/dr-stone-5eb95b/chapter-103)
- for_series_detail: /llms-series/dr-stone-5eb95b

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