That Time I Got Reincarnated as a Slime, Vol. 15 (Light Novel) (novel)

After a fierce battle, Veldora has fallen into the enemy's clutches, andRimuru isfurious. The order comes down to unleash a massacre, and Benimaruand the otherTempest executives couldn't be more thrilled. The fuse has beenlit for the final battlebetween Tempest and the Eastern Empire.

But if hewants to save Veldora, Rimuru willneed to evolve even further. It's time torelease the power he's been holding back!