The Last Frontier of Fire and Sword, also known as TLFFS and 火与剑之最后的国界, follows the journey of Alvaro Chechen, a knight from Spain, as he navigates the challenges faced by knights in a parallel world's eastern European continent during the age of firearms. This historical novel delves into the dreams and struggles of knights in a setting filled with European ambience, firearms, kingdoms, and a male protagonist. Inspired by Horseback and Blade-Fire and Sword, this tale offers a unique perspective on the knightly life amidst evolving warfare.