Using a huge pile of Mananite to power up Megumin’s Explosion,Kazuma’s party blowsa hole into the barrier surrounding the DemonLord’s Castle.But after reconvening withAqua, our intrepid heroeswill have to answer an important question before they settlethings once andfor all...Just how much cash can they expect for bringing the DemonLorddown?In the final volume of the hit action-comedy, a cowardly NEET andAxel’sfavorite bunch of misfits steel themselves for one last battle!