In a world where magic is fueled by the nutrients in your body, a unique and dangerous sport known as WenchiDòuzhēng has emerged. In this brutal contest, fighters use their own life energy, or "wenchi," to battle in high-stakes duels. Zhu Lang, a young new star in WenchiDòuzhēng sport, burdened with his mother’s crippling debt after being swindled by loan sharks, sees the WenchiDòuzhēng tournament as his only chance to save her.