Possibly the Greatest Alchemist of All Time

Season 1, Episode 10: Takumi Takes on Pioneering!

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Takumi's group challenges the dungeon, Forest of the Beast King, and strengthens their bonds. Around that time Marquis Godwin consults with Takumi, and asks him to help create a pioneer village in the undeveloped lands to the south of his domain in order to secure a place for the refugees from a deserted village nearby.