Solo Leveling RPG

You're in a world living in peace and suddenly, some people start to be "awakened", they are given ranks based on they're power, the rank scaling start from E, D, C, B, A, S and National rank hunter, but could there be a stronger being? Can you achieve something that no one has ever achieved? In the Solo Leveling verse everything is possible, all you have to do to gain XP is to slash monsters inside the gates, you have all kinds of different abilities and different weapons. Now that all of this has been said, have good luck on your journey as a solo leveler!