In this action-packed dark fantasy, humanity lives under the threat of annihilation by immensely powerful dragons. The dragon hunter Ragna embarks on a revenge-fueled quest to eliminate that threat once and for all! After narrowly escaping a blitzkrieg attack by Woltekamui, the Lightning Claw, the surviving members of the Argentum Corps meet with a strange and fearsome new entity: a holy warrior of the mysterious Solarian order. Meanwhile, Ragna reunites with Crimson, but the encounter doesn't exactly go how either one of them had planned...