The Red Knight Traitor Son Cycle, Book 1.

Miles Cameron weaves an epic tale of magic and mercenaries, war and depravity, politics and intrigue in this action-packed debut fantasy The Red Knight. Twenty eight florins a month is a huge price to pay, for a man to stand between you and the Wild. Twenty eight florins a month is nowhere near enough when a wyvern's jaws snap shut on your helmet in the hot stink of battle, and the beast starts to rip the head from your shoulders. But if sta...