The Secret of Petrification (石化の秘密 Sekka no Himitsu) is the 106th chapter of the Dr. Stone manga.


Amaryllis tells the story of five years prior, when she and several other villagers attempted to escape the island. They are intercepted by Mozu and Kirisame, two of the island's warriors, and are turned to stone via a weapon thrown by the latter, except for Amaryllis, who narrowly avoids it. Through the details given in Amaryllis' story, Senku deduces that the weapon must follow a set of rules, vowing to defeat it.

Amaryllis plans to infiltrate a harem selection done by her tribe in order to steal the petrification weapon. However, she thinks that she requires to actually steal the weapon, stating she needs another girl. As the males realize Kohaku is a choice and she decides to aid Amaryllis in the infiltration, but must be considered "cute" enough in order to be selected. The Kohaku beautification project begins!

Chapter Notes

Characters in Order of Appearance

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