In the year 792 of the Source Calendar, a century of war flares up once more on the northern frontier.
When a wolf disaster tainted by source energy claims his father's life, Colin, a boy from Black River Village, leaves home with Roll, his childhood companion, and heads for Frostsnow City, a major border stronghold, to make a living as a mercenary.
From border patrols to the defense of fortresses, from an obscure young hunter to the leader of the Frostblade Mercenary Corps, he stands shoulder to shoulder with a taciturn dragon knight, a cool-headed shadow walker, a proud elven arcanist, a stubborn dwarven smith, a gentle holy shepherd, and a good-natured minotaur warrior. Together, they are tempered by blood and fire into a true band of mercenaries.
The armies of two great factions mass on the frontier, tensions simmer among the many races, ancient source energy ruins awaken one after another, and the Corpse Tribes return from the wastelands. When a mercenary's oath collides with the survival of his homeland, and personal grudges become entangled in a calamity that engulfs the continent, they will reclaim their swords in the ashes and use blood and loyalty to write an age of glory for mercenaries from the lowest ranks.
