Dolan and Georg head into the demonic realm to fight all-out, and the rest of the forest dwellers decide to stake it all on the outcome.

The true masterminds behind everything that happened appear before Hikaru and Alma and they end up being ARMS' leader Aljis, and his Mecha-Ude, Fist. And underneath Aljis's mask, they discover it's actually Yakumo, who should've died 100 years ago. What are they truly after? The curtain rises on Hikaru and Alma's final battle to determine the fate of all the Mecha-Udes and the Mecha-Ude users!

Rika rather abruptly invites Takuya on a date, and what she has in mind is unconventional to say the least. What's her actual goal for the day, and what happens if things don't play out the way she envisions?

Momo, Okarun, and Aira make it through the alien assault by combining their powers. However, the Dover Demon that they thought they had defeated appears before them.

Momo, Okarun, and Aira make it through the alien assault by combining their powers. However, the Dover Demon that they thought they had defeated appears before them.

Machida ends up in the hospital with a skateboard injury. The hospital happens to be the same one Tsunehiro got his diagnosis at.

Kinokoinu meets Hino-kun and his son, Toshi, at the park. Toshi is a huge fan of Kinokoinu and asks for its autograph. Hotaru decides to join Ayumi to visit his family's grave, where Hanako is buried.

Rimuru pays the merchants with the gold coins he's procured. The merchants try to garner futher favor, but Rimuru ceases trading with them. Rimuru then gathers his allies and calls for action again the eastern merchants who are operating in secret.

Rimuru's dungeon is finally revealed, and his new ally Masayuki is among its first challengers. Later, after the festival is over, Rimuru's biggest job still awaits.

Gazel and Elmesia pledge to assist Rimuru with Tempest's lack of funding. Elmesia then proposes an alliance, but she's concerned about the danger Diablo poses.

The second day of the National Foundation Festival dawns, bringing with it the main round of the battle tournament. The fighters face off and give it their all—except for one, which causes Rimuru concern.

It's day one of the festival, and Rimuru finally gets to see all of his friends' performances and presentations. As he's enojying the festivities, he's summoned by Luminus...

The night before the Opening Festival, Rimuru throws a lavish banquet for all the nobles and royalty visiting Tempest. When the party is in full swing, Empress Elmesia of the Sorcerous Dynasty of Thalion arrives, throwing everyone into chaos.

After meeting with the kings of various nations, Rimuru heads to Engrassia to invite his former students to the festival. The kids are thrilled to go back with him to Tempest, but then the hero Masayuki arrives as well...

After learning about an elf slave trade, Rimuru had Soei investigate, but it turns out the slave traders have already been shut down by Masayuki, the Lightspeed Hero. Word is now spreading that the Hero is headed to Tempest to slay a Demon Lord...

On the last day of the audience, Rimuru meets Momiji, the representative of the Tengu clan. Their meeting comes after Rimuru had sent Benimaru to the Tengu village to request their permission to build a tunnel through the Kusha Mountains.