Knight's Mysterious Notes

1785 At the end of the Kingdom of Lance, the circuit innovation started half a century ago has finally affected all classes, and an earth-shaking storm is about to come. In this era similar to the eve of the Napoleonic Wars, in which knights were the main force of the war and fought using vindictive energy to control circuits. An ordinary boy named Du Lei accidentally obtained a mysterious notebook. From this, a magnificent story began. PS: The background of this book is the alien version of Magic Revolution. The settings of [Circuit] are similar to cards, and the positioning of [Circuit Master] is similar to that of a card maker. So in simple terms, this is a card flow story.