Stone Episode 13 — Dr.

This guide covers , titled "Masked Warrior." In this episode, the Kingdom of Science completes their chemical synthesis and enters the village tournament to save Ruri. 🧪 The Science: Creating the "Cure-All"

Alcohol. This is the final ingredient needed to complete the synthesis, which is why Senku must enter the village tournament. ⚔️ The Grand Bout: A Rigged Tournament

The Grand Bout determines the village’s next chief and Ruri's husband. The prize includes a massive supply of , which Senku needs for his medicine. The Contestants Dr. Stone Episode 13

Magma’s lackey, Mantle, fakes an emergency involving Suika to lure Kohaku away. The plan works; Kohaku leaves to "save" Suika, effectively disqualifying her if she doesn't return in time.

Senku, Kohaku, Chrome, Kinro , and Ginro all register to increase their chances of knocking out Magma. Key Plot Points This guide covers , titled "Masked Warrior

Senku and Chrome finalize the production of , a powerful antibiotic. The Chemical Roadmap

Suika throws her melon-rind helmet (fitted with Senku's glass lenses) to Kinro. ⚔️ The Grand Bout: A Rigged Tournament The

Formed by adding sinters (from hot springs) to the hydrochloric acid.