Chapter 230

**Human** (HUMAN (ヒューマン) , *Hyūman*) is the two hundred and thirtieth chapter of the *Dr. Stone* manga.

## Summary

The petrification devices continue to explain their original plan for Earth. They reveal that in Earth's atmosphere, they begin to rust, and thus the pile found in Manaus was effectively their graveyard. The oxygen is poisonous to them.

When Senku and the others were on the motorboat testing the GPS, the devices had assumed they were unaware of them. When they discovered later that the remaining humans *did* know of their existence, and furthermore could activate those devices using radiowaves, they immediately copied the command, but set it to petrify the whole world rather than just 5 meters as Senku had said.

After the events in South America, the devices felt relieved that these other humans would also know the glory of Petrification, until they realized they were awakening once more and rejecting the gift of eternal life. With no other logical explanation, they asked "do you wanna die?".

The single device in the Kingdom of Science's possession, when sealed away in the vacuum chamber and no longer being poisoned by the atmosphere, woke up and tried to fulfill the goal of petrifying everyone, but ended up smashing the glass, causing it to become inert again.

Senku then asks why the devices would petrify everyone for thousands of years, given the fact it destroyed humanity's scientific civilization. Their only answer was that they had assumed humans were more advanced than they really were. Because of this, Senku says humanity is willing to learn, but first requests that he negotiate with them face to face, without anyone else. The devices seem to agree, and encircle Senku, stopping any radio waves escaping the sphere.

Senku's request? That the devices lend him their bodies for some mysterious plan...

## Characters in Order of Appearance

* Why-man
* Senku Ishigami
* Kohaku
* Ukyo Saionji
* Chrome *(Pictured)*
* Ryusui Nanami *(Flashback)*
* Gen Asagiri
* Ibara *(Flashback)*
* Joel Gear *(Flashback)*
* Suika *(Flashback)*
* Tsukasa Shishio *(Flashback)*
* Kaseki *(Flashback)*
* Chelsea Childe *(Flashback)*
* Yo Uei *(Flashback)*
* Stanley Snyder *(Pictured)*
* Taiju Oki
* Yuzuriha Ogawa *(Pictured)*
* Xeno Houston Wingfield

## Chapter Notes

* The devices continue explaining their point of view of the last several thousand years.
	+ The devices rust in an oxygen atmosphere, eventually killing the, hence the pile in Manaus.
	+ They discover it's possible to activate the devices using human voices over the radio waves which they use to communicate, and begin trying to petrify the whole world again.
	+ When they saw humanity ignoring their gift again, they asked "do you wanna die?" as they could see no other logical explanation for wanting to undo eternal life.
* The device the Kingdom of Science put into a vacuum momentarily awoke and tried to fulfill the original goal of petrifying humans, but went back to sleep once the vacuum was broken.
* Senku tells the devices how they'd messed up with humanity, by trapping them for too long and destroying the scientific civilization they needed to make more Medusas.
* Senku says he's ready to learn their advanced science, and makes a proposal to them.

## Trivia

* The devices do not seem to understand that the petrification phenomenon may appeal to and affect species differently, and thus could put their survival goals in jeopardy.