Iron Chains and Gold Chains, the Redemption Begins by the Second Son of the Knight

Personal interest, try to ensure that it is consistent with historical facts and write a good knight novel. "Wearing 60 pounds of rusty mail, we stepped into the Holy Roman Empire where the Black Death was raging. Between the arsenic arrows of the Teutonic Knights and the copper scales of the church tax collectors, we used Dioscorides herbs and real mineral vein maps to write a purgatory survival record that smelled of dead fish in the moat."