Welcome to the Impenetrable Demon King’s Castle—The Black Mage Who Was Kicked Out of the Hero’s Party for Being “Useless” Is Welcomed as a High-Ranking Officer in the Demon King’s Army—(12)

Welcome, you lowly humans! The joint "Raid" campaign led by the world’s finest adventurers is finally underway! First up is the first layer: the realm of the Watchdogs and the "Infernal Flames." Awaiting the full-strength party of heroes are the Black Demon Hounds led by [The Invisible Slayer] Grashalabolas and his [Trainers]. Leme’s strategy succeeds, cornering the adventurers, but this is where the counterattack by the mightiest heroes begins... The Supreme Hero Corps vs. the Mightiest Demon King’s Army—a clash of fighting spirits in Volume 12!

Welcome, you lowly humans! The joint "Raid" campaign led by the world’s finest adventurers is finally underway! First up is the first layer: the realm of the Watchdogs and the "Infernal Flames." Awaiting the full-strength party of heroes are the Black Demon Hounds led by [The Invisible Slayer] Grashalabolas and his [Trainers]. Leme’s strategy succeeds, cornering the adventurers, but this is where the counterattack by the mightiest heroes begins... The Supreme Hero Corps vs. the Mightiest Demon King’s Army—a clash of fighting spirits in Volume 12!