Demonic Spirit King

Story:

In a world where the murim world of the past continued onto the present... After the killer 'Demonic Spirit King' vanished into thin air, the murim world was at peace. However, one day, a drug that increases the internal energy of the people of murim appears and disrupts the balance of power. Just in time, the 'Demonic Spirit King' shows himself to the world once again, And throws the world of murim into a vortex of chaos once again...