After witnessing his parents murder. Yuri, fueled by rage and sorrow, trains as a warrior under his grandfather. As fate would have it, tragedy strikes again years later as he watches his grandfather and comrades killed in battle. With the rage and fury hidden deep within him seeping out, Yuri gave devastation to his foes, eventually leaving him fatally injured. However, Death granted Yuri rebirth in a magical realm as a mighty berserker. Swearing to defend his new family, as he grows stronger with each conflict.