據說是由傳說中的鐵匠名門所編纂的單手武器製作書，記載了各國主要單手武器的製作方法。本冊為首卷，記錄了打造單手劍的基本方法。
A book of one-handed weapon blueprints around the world, known to have been crafted by a legendary blacksmith house. This volume is the first in the series, detailing the basic method for forging a sword.