I'm a Noble on the Brink of Ruin, So I Might as Well Try Mastering Magic: Volume 7

Liam learns the hard way what exactly 'Dragon Slayer' is, but he's not about to let the cunning Duchy of Parta get their way for much longer. Swearing a solemn pledge in his heart, Liam gathers all his forces and charges into the neighboring duchy. Unexpected allies appear in the form of souls long gone; they help him open the door to a new world and develop the perfect spell for retaliation. Still, Liam will need every card, every weapon he could scrounge up, for time is of the essence and the weight of three very precious lives rests on his back. Faced with this crisis of unprecedented scale, can Liam overcome the odds and save his friends from looming death?