Solo Leveling was one of the most exciting new shows to end just before the ongoing spring 2024 anime cycle. There's no denying that it has already exceeded our expectations with its unique story. However, not many anime fans are aware that everything in the Solo Leveling universe began when nothing existed but light and darkness. It was then that the Absolute Being created the rulers and monarchs. While the former had the responsibility of protecting humanity, the latter wanted to wipe out all of humanity. Well, if you want to know who exactly monarchs are, let's dig deeper to find out.

Spoiler alert This article contains information from the source material. So we highly recommend reading the manhwa beforehand to avoid ruining your intended experience.

Light and Darkness were the two prehistoric forces that were split apart by the Absolute Being to bring the rulers and monarchs into the frame. The rulers were the good guys created to save humanity, while monarchs came out of the darkness with the intention of causing destruction.

Monarchs are powerful beings who do not have the freedom to enter the human world in their true form. That said, they can indeed take humans as their hosts, like Jujutsu Kaisen's Sukuna. Although a Monarch is a formidable being in its spiritual form, possessing a human allows it to become more powerful physically. But since humans are mortal creatures, they have their own weaknesses.