Oath of Swords is a fantasy novel by American author David Weber, the first in the War God series. It follows the adventures of Bahzell Bahnakson and his friend Brandark; the format is a swords-and-sorcery land with dwarves, elves, humans, and hradani—the Four Races. There is a pantheon of gods, some good—the Gods of Light—and some vile—the Dark Gods. Source: Wikipedia (en)