A towering spire of unknown origin has emerged, unleashing chaos upon the land of Joseon. Once a source of prosperity, its power now corrupts the world, transforming its people into monstrous demons. In The Devil Within, wield your sword as Kim Rip and embark on a brutal journey to cleanse the darkness—by embracing it yourself.

• Brutal Combat: Master advanced sword techniques, defensive maneuvers, and lightning-fast mobility to cut down relentless demonic foes.
• Harness Demonic Power: Absorb the abilities of fallen demons to grow stronger, unlocking devastating new attacks and abilities.
• A World in Ruins: Traverse a vast, interconnected land filled with ruined cities, dense forests, and treacherous mountains—each hiding deadly secrets.
• Unravel a Dark Mystery: Seek out powerful artifacts and uncover the truth behind the Radiant Spire, but beware—the pursuit of power has dire consequences.
• The battle for Joseon’s survival begins—will you fight the darkness, or become it?