

Episodes
24 episodes · 2023
A certain country in the demon world. The Demon King was defeated by the hands of one of the heroes, and a competition was held for the title of the New Demon King. The Imperial Four Heavenly Kings Vermilio, who is in charge of the tournament, is furious at the participation of the human hero Helck, who is supposed to be her enemy. After receiving news of the fall of the castle of Urum before the final, Vermilio sets out to retake Urum Castle with Helck and other finalists. With a smile, Helck says, "Let's destroy humans." Are those words true? The truth behind the smile is... (Source: HIDIVE) Note: The first and second episode premiered at Anime Expo 2023 on July 1.
E01Helck the Hero
★9The Demon Lord is defeated by a human hero. To find his replacement, the demonkin hold a competition. Helck, a human and mortal enemy, is among the participants.
E02Anne From Management
★8.5Helck continues to rack up victories as a fan favorite of the crowd. He then proceeds on to the semifinal race! Will he be able to keep up with the other racers?
E03The Unknown Enemy
★8Helck displays mind-blowing strength and leaves Vermilio increasingly concerned about the threat he poses.
E04Shock
★7After Helck blocks an attack meant for Edil, Vermilio becomes convinced that he is an enemy. But then, the floor gives away and everyone falls into a dark underground room...
E05The Remote Island Village
★9The mysterious power of the gate sends Vermilio and Helck to an unknown remote island. Vermilio travels deeper into the island and comes across a fluffy creature.
E06Invasion
★8.5Vermilio poses a question to Helck: “Can you fight against your old friends?” Meanwhile, the others at Castle Urum are fighting an overwhelming number of winged knights.
E07The Human King
★7Hyura and the others escape Castle Urum but soon find themselves surrounded again. Azudra arrives to subdue the winged knights. All the while, Azudra begins plotting.
E08Back to the Continent
★8.5Azudra determines the winged knights are a major threat. Meanwhile, Helck and Vermilio take it easy.
E09Barbarians of the Tothman Tribe
★8.5Helck and Vermilio bid farewell to the mysterious island and its residents as they sail away with a stowaway Piwi aboard. However, they run into a massive whirlpool!
E10In Pursuit of a Map
★8Helck and company end up in the Erille Kingdom where they must fight the barbarians of the Tothman Tribe. The Tothman King goes berserk after tapping into a mysterious power.
E11The Troubadour's Song
★7Helck and company use their winnings from the cooking competition to buy a map leading to the Empire. They make plans to go northwest into the ruins of two destroyed kingdoms.
E12The Spirit of Faith
★8Vermilio is frightened by Helck's power as he goes berserk during his battle with Augis. It makes her recall the words of the Great Witch, who warned her about Helck.
E13With Younger Brother in Tow
★8When they were little, Helck and his younger brother Cless lost both of their parents. One day, Cless gets very sick and Helck begs for someone to save him.
E14The Mercenaries
★7Only half a month after Cless departs on his expedition, monsters begin to appear in greater numbers than ever before. The kingdom enacts a military draft to combat them.
E15The Power of Heroes
★7Helck arrives at the Demon Lord’s castle and senses a powerful presence. It turns out to be Azudra of the Four Elite Lords, who makes a plea for peace.
E16The Truth Behind Awakening
★3Zeruzeon reveals the kingdom’s terrifying plan, so Helck and his friends sneak into the castle to put a stop to it by saving Cless.
E17Traitors
★7Helck is on the verge of being killed. To save the life of his big brother, Cless is forced to make a choice.
E18Smile
★5Helck charges onward but an army of bounty hunters stands between him and Alicia. She is in horrible shape as she faces public execution.
E19Vermilio of the Four Elite Lords
★7Helck's motivations become clear with an awakening of a horrific truth. Vermilio vows to fight by Helck’s side.
E20The Mysterious Woman
★3The winged knights continue attacking Castle Thor to level themselves up further. Meanwhile, Asta keeps snooping for information in the human realm.
E21Phase 2
★7Zeruzeon leads the winged knights in an assault on the newly rebuilt castle. Humans and demons become locked in combat.
E22Spell Breaker
★7Hyura and Edil battle it out at Castle Thor while a strange relationship starts between them. Meanwhile, Mikaros is confronted by Azudra and reveals a past grudge.
E23The Chosen Path
★7Raphaed’s army attacks a demonkin outpost, when Helck and Vermilio arrive. Raphaed determines Vermilio is Helck's newfound source of support.
E24Towards a Hopeful Future
★7Helck faces off with his former friend, Alicia. Meanwhile, Vermilio can't help but be concerned about Helck as she continues to fight with Raphaed.
