Read The Indomitable Martial King[By the studio that brought you <Solo Leveling> and <Reven...
A world where humans sell and buy otherworldly species as slaves. The great mage Rifenhardt is treated like the Demon King for helping the otherworldly species. A party of heroes arrive to bring down the Demon King! Rifenhardt succeeds in greatly injuring the heroes, but he faces death at the hands of the MARTIAL KING???