Shadow's Descent - Tides of Darkness - Chronicles of the Fists, #2

Their world assaulted by an extradimensional invasion of life-devouring Shadow, Yip and his companions must find a way to halt the incursion before the Cabal and their loathsome allies drain the living energies of their planet, destroying all life and potential on Ea'ae. Aided by Aroganji the Fang Shi, master of the elements of change, Wrindanneth Priest of Maeth Onai, wielder of divine and arcane magics, and Slate the Dwarven axe-wielding Bor'Banna, imbued by the powers of the All-Father's first forge, Yip ventures to Taerris'thule, the City of the Fallen Gods, in an effort to restore the seal of Eldre'gheu, one of the fourteen seals protecting Ea'ae from extraplanar intrusion.
Shadow's Descent is the second book of the Chronicles of the Fists, an epic fantasy trilogy recounting Yip and his friends' adventures against the forces of Darkness.