Manga popularity is often measured by sales and cultural longevity :
It subverts classic tropes with a highly complex magic system and deeply compelling villains. Demon Slayer: Kimetsu no Yaiba
Guts, a lone mercenary known as the Black Swordsman, travels a brutal medieval dark-fantasy world seeking revenge against his former commander and friend, Griffith, who sacrificed their entire mercenary army to become a god.
Currently taking the world by storm, this series follows Yuji Itadori, a high schooler who becomes the vessel for a powerful curse. It’s praised for its sophisticated power system and high-stakes animation by Studio MAPPA.
Koyoharu Gotouge’s original manga features crisp pacing and a conclusive, deeply emotional ending. Jujutsu Kaisen
Often hailed as the greatest dark fantasy manga of all time. Kentaro Miura’s art is unparalleled, and the story of Guts, a lone mercenary, is a harrowing look at fate and resilience.