What Secret Power Did Rimuru Unleash That Broke the Empire?
The skies ignite as Commander Gradim, the exiled Beast King, leads the Empire’s thirty-thousand-strong Magical Beast Division into a catastrophic war under the gaze of Velgrynd, the Flame Dragon. Pride turns to madness as the Empire’s greatest weapon... The Beast - unleashes a nightmare born of forbidden science. But as Rimuru Tempest moves unseen, summoning legions of Arch Demons, the battlefield itself becomes a trap of divine retribution. Who truly commands this war... the Beast King or the Demon Lord? Witness the fall of the Empire, the birth of monsters, and the beginning of The Abyss Unleashed.