章節 391: The Sigil's Secret

After winter arrived, the snow seemed to subside considerably.

Roland was humming a tune as he read through the three manuscripts on his table.

They were, separately, the plan for the trial and production of the latest type of ammunition, the blueprint for the latest generation of small weapons, and the construction plan for the Spellcaster Tower.

The former two manuscripts were ideas which he had conceived for a long time. Now that he could make use of Agatha's abilities to freeze and control temperature, the town's nitric acid output increased manyfold. The problem regarding the stability of the mass production of nitroglycerin had also been solved, and therefore, all of the conditions for the manufacture of double base propellants were fundamentally provided.