Riale's vision of a leviathan shatters the peaceful life on Sheol Reef. To defend their new home, Heale and his people must prepare for the attack of the mythical beast that once slaughtered the Tiberis tribe. But how can they defeat a creature immune to both weapons and magic? Heale's gamble depends on digging out yet another miracle from the mining shafts of Sheol.

The entire community comes together for this all-hands-on-deck situation, pouring in every drop of effort and wisdom they have. Finally, the fateful day comes. The leviathan arrives, a towering beast piercing the heavens themselves—and it's not alone. Will Sheol conquer the invaders, or will everything crumble beneath their might?