Demon Apocalypse

As the demon invasion of Earth intensifies, Grubbs, Beranabus, and Kernel must master the Kah-Gash — a weapon of immense power capable of destroying a universe — to seal the portal and stop the demon lord's forces. Caught between his mentor's teachings and the betrayal of his former apprentice Dervish, Grubbs must confront the true cost of the power he carries and the choices that will decide the fate of the world.