In the world of Volsung, where powerful monsters run rampant, the discovery of ether has greatly enhanced humanity's chance at survival. Amongst the multitude of great developments for the various kingdoms due to this discovery, the greatest would by far have to be the people's saviors during the rampage of the dragon Orochi: the "Battlers". Not quite soldiers and not quite adventurers, these freelance warriors wield crystals which act as receptacles for ether, allowing for the generation of powerful weapons and magic. And so, on the precipice of yet more conflict, a young man will rise up. A man with a special crystal, not encoded with any specific weapon...