According to rumors, Solo Leveling will receive an anime , which is expected to be announced during Anime Expo 2022. Reportedly, a promotional image leaked before the official announcement .
Check it out:

Details indicate that A-1 Pictures (Sword Art Online) is responsible for the animation of the series.
Therefore, the webtoon is an adaptation of Chugong 's original novel and the adaptation was handled by Jang-Sung-Rak.
Synopsis:
Ten years ago, after the "Gateway" connecting the real world to a world of monsters opened, some ordinary people received the power to hunt the monsters from the portal. And so Sung Jin-Woo, an E-rank hunter, begins his journey.
Finally, the work was completed in December 2021.
