# WebtoonLib — Dr. Stone #170

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

## Chapter
- number: 170
- release_date: 2025-05-29

### Summary
Now forced into a tense alliance, Senkuu and the captive Dr. Xeno combine their formidable intellects, launching into a dizzying scientific discussion that leaves allies like Chrome and Kohaku completely lost. Through a flurry of complex calculations, the two rival scientists deduce that the global petrification event originated not from underground, but from a high-altitude point directly above South America. With their next destination set for the Amazon, a new layer of intrigue is added as Luna Wright is seen suspiciously crossing her fingers, suggesting their new American companions may be hiding something.
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- Senku and Xeno deduce the petrification origin point is at 0°N, 0°W in the Amazon.

### Characters involved
- Luna Wright — character
- Kohaku — character
- Chrome — character
- Dr. Xeno — character
- Senkuu Ishigami — character

## Spoiler
- level: auto

### Safe teaser
Now forced into a tense alliance, Senkuu and the captive Dr.

### Spoiler summary
Now forced into a tense alliance, Senkuu and the captive Dr. Xeno combine their formidable intellects, launching into a dizzying scientific discussion that leaves allies like Chrome and Kohaku completely lost. Through a flurry of complex calculations, the two rival scientists deduce that the global petrification event originated not from underground, but from a high-altitude point directly above South America. With their next destination set for the Amazon, a new layer of intrigue is added as Luna Wright is seen suspiciously crossing her fingers, suggesting their new American companions may be hiding something.

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

## See also
- [WebtoonLib — Dr. Stone #170](/series/dr-stone-5eb95b/chapter-170)
- for_series_detail: /llms-series/dr-stone-5eb95b

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