Read The Core (The Demon Cycle #5) by Peter V. Brett

For time out of mind, bloodthirsty demons have stalked the night, culling the human race to scattered remnants dependent on half-forgotten magics to protect them. Then two heroes arose—men as close as brothers, yet divided by bitter betrayal. Arlen Bales became known as the Warded Man, tattooed head to toe with powerful magic symbols that enable him to fight demons in hand-to-hand combat—and emerge victorious. Jardir, armed with magically warded weapons, called himself the Deliverer, a figure prophesied to unite humanity and lead them to triumph in Sharak Ka—the final war against demonkind... Read More