A terror sweeps across Murim as the Blood Warrior of the Ungpae Association emerges, leaving devastation in his wake. The Nine Great Sects and Six Great Clans unite in desperate alliance, yet their combined strength proves insufficient against his overwhelming power. In their darkest hour, the Four Great Warriors rise as Murim's final bastion of hope. Their epic confrontation at Mount Song brings the Blood Warrior's tyranny to an end—or so they believed. Now, dormant forces stir once more as the Blood Warrior's legacy threatens to engulf the world anew.