Dr. Stone Wiki
Dr. Stone Wiki

Stone World's Earth Defense Force ( (いし) () (かい) () (きゅう) (ぼう) (えい) (ぐん) Ishi Sekai Chikyū Bōei-gun) is the two hundred and fourteenth chapter of the Dr. Stone manga.


The petrification beam continues advancing after hitting Yo and Gen. The others around it rush up the stairs, hoping it's not another global attack from Why-man. Senku and Ryusui on the other hand, calmly move a few more steps away, confident in their calculations: the Petrification Weapon's command was only for a radius of 20 meters.

Gen and Yo are revived, with Yo missing a few pieces of his hair. They ask them what happened, and Yo immediately gets defensive about it, while Gen explains the three noises they heard followed by the flash. Gen confirms that no one had spoken to the device beforehand. They discuss theories, then plans. They want to find out where Why-man is on the moon.

For safety, they remove the battery of the device and lock it up again. Gen wonders if it was possible that someone had given it an extremely long command, such as "3 months 20 meters", but they have no way of checking.

The group then head to the kagoshima mines to collect materials for making a TV camera, then use them as security cameras for the medusa. A few more cameras are shipped over to America, where they can watch baseball games happening outside. The true purpose for the cameras, however, is for sending up to space on a satellite so they can scan the moon's surface.

Characters in Order of Appearance[]

Chapter Notes[]

  • Yo and Gen are put (mostly) together and revived, then questioned about what happened.
  • Gen wonders if it wasn't activated remotely and instead put on a long timer of several months.
  • Selenium, arsenic, and tellurium are acquired.
    • Selenium can be used to improve hair care products as well; the Head and Shoulders shampoo uses it in real life.
  • TV cameras are acquired.
  • The device is put under constant TV surveillance with the batteries removed.
  • Minami retakes her position as a reporter.
  • Senku plans to create a satellite, in order to locate Why-man.


  • Chelsea's ship is called Perseus D. Monkey, a reference to One Piece.
  • Ryusui founding Dragon News brings up the interesting concept of copyright infringement; seeing as any contacts and legal agreements have been destroyed in the last 37 centuries, any name that was claimed previously for TV stations or merchandise is now up for grabs.
  • "Dragon News" may be inspired by "Dragon Bank" from Riichiro Inagaki's other series, Trillion Game.
  • Yo now has shorter hair, due to some of his hair breaking off in his petrification.
  • The cover of this chapter and the previous chapter's covers connect, creating a double-page spread.
  • It's suggested Why-man calculated the most likely time someone revived and set a timer in the Medusa; hanging on the bet someone who knew the Stone Formula would be near. Either that or Why-man has hacked into any surviving satellites in Earth's orbit to spy on the humans.

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Volume 27 Terraforming4D Science: 14D Science: 24D Science: 3
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Story Arcs
Prologue Saga
Stone Formula Arc
Chapters 1234
Episodes 12
Vs. Tsukasa Arc
Chapters 56789101112
Episodes 345
Ishigami Village Saga
Kingdom of Science Arc
Chapters 131415161718192021222324252627282930313233
Episodes 5678910111213
Village Games Arc
Chapters 34353637383940
Episodes 131415
Village Origins Arc
Chapters 4142434445
Episodes 1617
Stone Wars Saga
Vs. Hyoga Arc
Chapters 4647484950
Episodes 1819
Communications Arc
Chapters 5152535455565758596061626364656667686970717273747576777879808182
Episodes 20212223242526272829303132333435
Source of the Petrification Saga
Age of Exploration Arc
Chapters 8384858687888990919293949596979899 100
Episodes 35Ryusui3637383940
Treasure Island Arc
Chapters 101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138
Episodes 4142434445464748495051525354
The Truth of the Petrification Saga
New America City Arc
Chapters 139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169
Episodes 555657
South America Arc
Chapters 170171172173174175176177178179180181182183184185186187188189190191192193
New Stone World Arc
Chapters 194195196197198199200
Globetrotting Arc
Chapters 201202203204205206207208209210211212
Stone to Space Saga
Moon Mission Arc
Chapters 213214215216217218219220221222223224225226227228229230231232