As soon as the fourth era of chaos ended, beginning the fourth era, 72th Demon Lords were born, molding and restructuring the demonic world at will, kingdoms and emperors of different ancient and new races tried to destroy the lords or ally themselves with them, however their unique nature made them volatile

However, they were faithful in their loyalty to their brothers, until there was an internal betrayal, many lords fell for the first time, little is known about this event, and one of its consequences went unnoticed, the rebirth of an old Herrscher

An existence so unique that few know the rumors about the only three individuals who took the title, their race and motivations have always been a mystery and now one of these Herrschers is in the same field of action as the living once again

While the Gods draw their power from the laws of the world, the Herrschers shape those laws

The cover image is one of several images that are on the internet, so I don't know who the creator is,