Saki tells Naoya that Rika’s apparent crush on him is only the result of her being in heat. She insists that this is a real thing, and Naoya buys it.
Nagisa spends her time on vacation with Rika to try to keep Shino from finding out that dating both her and Saki.
Naoya, Saki and Nagisa are now living together. Keen to learn more about Saki and Naoya, Nagisa gets into her phone and looks through her browser history.
Diablo resolves to return to Zircon Tower at once after learning the city was under attack by the Demon Lord Army. Meanwhile the desert becomes a battlefield as Laminitus and her soldiers wage battle against the Demon Lord Army's Commander, Varakness. Laminitus struggles against the overwhelming might of the Fallen, and just as the final blow is about to be dealt to her, Diablo appears with a flash.Watch Now:Amazon
Rika starts her not-so-laid-back solo camping life in Naoya’s yard. Naoya and his girlfriends decide that enough is enough, and try to have her camping gear taken away.
The magic weapon, Europa, God of Destruction, appears from underground and attacks, damaging Diablo. Since its attacks aren’t magic, he can’t reflect them with his Demon Lord’s Ring, and Europe’s barrier keeps his attacks from reaching it. “There’s something I want you to do.”—Diablo seeks Lumachina’s aid while barely avoiding the weapon’s attacks, and…
After rescuing Horn, Diablo learns of Horn's secret. Meanwhile, Shera, Rem, and Lumachina make progress through the dungeon and reach the twelfth underground floor. When Rem opens the door, they find the man pursuing Lumachina - Gewalt. To make things worse, a Large Black Dragon appears with a terrifying blast of wind!
As a way to clear the air after Rika kisses Naoya, he, Saki and Nagisa decide to go on vacation at a hot spring.
Lumachina realizes that Battuta is conducting a large scale curse, threatening the lives of others, but he puts her and Rem to sleep. The two later awaken in an underground space where believers are conducting the ritual. After Horn tells them of Lumachina and Rem's capture, Diablo and Shera take action to rescue them!
Adachi and Shimamura happened to meet each other on the second floor of the gymnasium as they were skipping class. Eventually, they started seeing each other more and started playing ping-pong together.Watch Now:Amazon
Diablo and the others leave Faltra and arrive at Zircon Tower. There they meet an adventurer, Horn, who talks to Diablo about a new dungeon that has appeared - a dungeon that Diablo suspects is the one he created. Meanwhile, Lumachina gets into an argument with a man claiming to belong to the Paladin Brigade who kicked aside a woman carrying her baby...
Diablo and the others are locked up in the sanctuary by Vishos and kept apart from Lumachina. Meanwhile, Horn managed to escape, but she's torn between her desire to flee all by herself and her desire to help her friends. That's when Babalon, the Level Up Goddess that resides within the Holy Grail, appears before Horn.
A multipurpose private detective investigating in lab 7's junkyard is caught by A106, Ran and Ummataro who brand him as suspicious and inquire about his intentions while Hiroshi returns with Motoko turns out Motoko and detective (who identifies were Kensaku Han) are acquaintances. Han tells them that he is searching for a robot pet named Malon which has a huge reward; Motoko pipes in that if Han wants to find the pet he should hire boys as campus is very large, difficult to warfare and exclusive to students, Ummataro agrees to the offer finding it as it was a good opportunity to test A106's new sensors, Han reprehends by saying that robots aren't qualified for such jobs causing a spat with Ummataro to which both make a bet. Hiroshi, Motoko and Han search around campus employing old fashioned legwork Motoko asks him about the person who made the request to which Han explains the man might have had strong emotional attachment to the pet, while searching Motoko bumps into an old man who lost his way around. Meanwhile Ummataro and Ran use A106's sensors to search for devices using old network technology used by the pet to communicate during which the come across the same old and find a similar pet in his bag, the man turns out to the client; both teams put two and two together to discover only one hit was remaining at the construction site where A106 finds Malon returning it to its owner.Watch Now:Amazon
Diablo, Shera, and Rem head out to the plains to test out new magic. While using said Flight Magic, Diablo spots the light of magic energy rising up from deep within the forest, so he makes haste towards its source. However, his spell gives out half way, and he goes plummeting down! When he lands, he finds the Head Priest, Lumachina under attack from the Paladin, Gewalt.
Diablo and the others were heading to the dungeon to obtain the hidden treasure that can cure the Death Knell Disease when Laminitus and her army surrounds them and attacks. Their party manages to reach the entrance to the dungeon, but there are now six marks on Lumachina's body, and it's said the victims of the Death Knell Disease will die once there are nine marks...
Lumachina asks Diablo to accompany her to the royal capital, so he decides to stop by Faltra City on the way. Diablo's group is worried about Klem and Edelgard after such a long time apart, and Sylvie informs them that they're at a bakery. Apparently the Fallen, Edelgard, had started a part-time job. Curious, Diablo and the others go to investigate...
Adachi and Shimamura start a new school year and Adachi is nervous to see if they actually end up in the same class. They do end up the same class, but as Adachi tries to get closer to Shimamura, others get in the way.Watch Now:Amazon
Diablo and his group arrive at the royal capital, Seven Wall, but the guards stop them at the gates. That explosive situation is resolved by the imperial knight, Alicia. She was awaiting their arrival and leads the group to an inn. That night Diablo reveals to Alicia that the church is out to kill Lumachina...