Dr. Stone Season 3 Episode 11 English Subbed Episode Title: With This Fist, A Miracle Episode Description: Kohaku confirms the capsule is buried under the citadel's largest tree, protected by another concrete shell, which she cannot break open without alerting guards. Senku, having deduced Byakuya would preserve the capsule using concrete, decides to send Kohaku a silent bomb. By mixing diluted sulphuric acid with anhydrite he creates expanding plaster, which, when inserted into holes in the concrete, forcibly expands and cracks the concrete open from the inside. Kohaku finds a glass bottle she accidentally breaks but sends the powder it contains to Senku on the toy cars...