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· During the village relocation, Shizu reached her mental limit and Ifrit manifested, initiating the battle.
· Rimuru, possessing heat resistance, nullified Ifrit's attacks and defeated him by capturing him with Predator.
· Having lost Ifrit, Shizu passed away in her final moments, seeing the scenery of her homeland shown by Rimuru.

· After checking the skills obtained from Ifrit and Shizu, Rimuru heads to rescue the village attacked by Hakurou.
· There, he encounters the ogres who lost their village and were wandering, leading to a battle due to a misunderstanding. However, the ogres surrendered to Rimuru's overwhelming power.
· When Rimuru bestowed names upon the ogres, they evolved into Kijin and pledged their loyalty to him.
· Subsequently, Rimuru formed an alliance with the Lizardmen and fought against the army led by Orc Lord. The evolved Benimaru and his group gained the upper hand, but the situation reversed with the appearance of the mastermind, Geld.
· When Geld awakened as a Demon Lord by consuming Orc Lord, Rimuru personally engaged in battle and succeeded in absorbing Orc Lord.

· After consuming Orc Lord, Rimuru integrated the skills 'Predator' and 'Gluttony' to evolve into Gratton, becoming a Demon Lord.

· The strongest Demon Lord, Milim Nava, appeared before the awakened Rimuru and engaged in battle, but Rimuru was defeated due to the overwhelming difference in power.
· Rimuru succeeded in appeasing Milim with honey. Later, when Carrion's subordinate, Soldier No. 30, attacked, he sent him back.
· Rimuru suspected an attack from the Demon Lords and sought information, discovering that he had disrupted the Demon Lords' 'Demon Lord Conference'.
· In the battle against Frey, he witnessed the defeat of Megalodon, and when Frey attempted to attack Tempest, Rimuru engaged in combat.

· Gratton, standing before Shion and Ranga, defended Tempest by consuming its scale.
· After over 10 hours of battle, realizing Milim was Frey's target, Milim intervened and repelled Frey.
· Rimuru extracted HoB from the repelled Frey, separated it, and then consumed Frey to acquire skills.

· Rimuru headed to the Fairy Forest to rescue Shizu's disciples.
· The fairies encountered in the forest presented a trial against the giant golem 'Elemental Colossus' in exchange for finding Shizu's soul.
· Rimuru swiftly defeated this trial with an overwhelming victory and met the Fairy Queen Ramiris, promising cooperation to save the children.

· After leaving the Kingdom of Inglesia, Rimuru was trapped in a Holy Field where magic weakened and faced Hinata Sakaguchi, the strongest guardian of humanity.
· Although he wanted to talk, Hinata, who believed Rimuru was an enemy of the Demon Lords, initiated combat. Weakened, Rimuru was defeated.
· Upon facing death, Rimuru entrusted his body to Gratton and was blown away by Hinata's ultimate skill, 'Disintegration'.
· Rimuru, having switched with a clone, narrowly escaped Hinata and, due to the Anti-Magic Area, was transported to the Cave of Sealing instead of returning to Tempest.

· To revive his sacrificed companions, Rimuru decided to awaken as a new Demon Lord, learning that over 10,000 human souls were required.
· Rimuru advanced towards 20,000 Farmas, deployed an Anti-Magic Area, and used the physical magic 'Megiddo', utilizing sunlight, to take thousands of lives.
· He then acquired the skill 'Ruthless One', taking the lives of all soldiers except for Ledos, the Grand Duke of the Edoriss Kingdom.
· Having met the conditions for the Harvest Festival, Rimuru began his awakening as a Demon Lord and fell into a deep sleep.
· He called Ranga, asking him to transport himself, Ledos, and Ranga to Tempest. After summoning and contracting with high-ranking demons, he successfully awakened and revived his companions.

· Rimuru attended the Demon Lord Conference with Shion and Ranga, directly confronting Clayman.
· After an overwhelming victory in battles excluding Milim, Rimuru faced the awakened Clayman.
· Seeing through Clayman's scheme, Rimuru consumed Clayman with 'Beelzebuth', defeating him in a way that even resurrection was impossible.
· It was revealed that Milim also acted to stop Clayman's evil deeds, which reassured Rimuru.
· Afterward, Rimuru officially became a Demon Lord and gained a new name, 'Octagram'.

· Hinata headed to Tempest to reconcile with Rimuru. Rimuru also did not wish for a fight, but due to Luminus's scheme, he once again found himself in a one-on-one battle with Hinata.
· The awakened Demon Lord Rimuru and Hinata exchanged fierce blows. Although Rimuru had the advantage, a decisive attack did not land.
· Hinata proposed that if Rimuru accepted her kingdom, she would acknowledge his victory, and Rimuru accepted.
· Hinata survived Rimuru's ultimate skill 'Melt Slash', which inflicted 70% damage, by defending with 'Beelzebuth', and Rimuru was victorious.
· Later, Luminus's intervention revealed her as the mastermind, and Tempest and Ruberios established a cooperative relationship.