Xiaoyao's previous deductions.This coffin might really be sealing away a demon lord.And just then, a mechanical voice from the system rang in Jun Xiaoyao's mind."Ding, congratulations to the host, th...ith a smile that didn't reach his eyes."Hmph, rest assured, even if you die, my grandson will still live well." Jun Zhantian sneered.He believed that this level of secrecy wouldn't pose a life threat...