Who defeated Upper Moon 6? Fortunately, Zenitsu was able to single handedly beat the Upper Moon 6. Not only did he defeat the demon, he also created a seventh form called the Flaming Thunder God. These are the demons who have been given the title of Upper Moon 6 in
Upper-Rank 6: Gyutaro & Daki Were Simultaneously Slain
Gyutaro was decapitated by Tanjiro with an assist from Tengen, while Daki was beheaded by a joint attack from Zenitsu and Inosuke.
After various battles within the Dimensional Infinity Fortress the remaining Upper Moons are killed by the hands of various Demon Slayers. The last member, Upper Moon Four Nakime, ends up being killed by Muzan Kibutsuji himself to stop the Dimensional Infinity Fortress from being controlled by his enemies.
The answer to this is Kaigaku, who will be seen as the new Upper Moon 6 in the series. Before he turned into a demon, he was a demon hunter who had trained under Jigoro, the former Thunder Hashira and Zenitsu's trainer. Kaigaku was Zenitsu's senior at the dojo.
Tanjiro only managed to slice off Gyutaro's head when he "summoned a hundred times" the strength in his body, which awakened his Demon Slayer Mark in the process, to successfully cut through his neck.
The first of the Twelve Kizuki that was encountered in the series was the former Lower Rank Six, Kyogai, who is slain in battle by Tanjiro Kamado.
Inosuke joins Zenitsu in killing Daki.
The Mist Hashira, along with Gyomei, Sanemi, and Genya, fought the Upper Moon 1. While the group was able to defeat them, both Muichiro and Genya died due to the wounds inflicted by Kokushibo.
After the deaths of Daki and Gyutaro, Kaigaku was promoted to become Upper Moon Six of the Twelve Demon Moons due to his power and confronted Zenitsu as a rematch he always desired.
Kaigaku is probably the weakest Upper Moon demon on this list. He served as a replacement to Upper Moon 6, Daki and Gyutaro after they were defeated by members of the Demon Slayer Corps. However, when he fought Zenitsu for the first time, he wasn't accustomed to his newfound powers.
No one killed Sanemi Shinazugawa. Sanemi almost died when he tackled his sister Genya from a window in order to protect her from a demon attack, but was saved by his friend Masachika who healed his wounds.
The fate of Upper Moon Five Gyokko in Swordsmith Village
The Upper Moon Five has a record of killing 15 Hashira in the past, solidifying his position in the Twelve Kizuki. Gyokko primarily faces off against Muichiro Tokito, the Mist Hashira.
We first see Doma when he is still the Upper Moon Six while he is in the middle of eating a geisha. Later he becomes even stronger and rises to the position of Upper Moon Two. He dies because of the lethal amount of poison he absorbed through Shinobu Kocho's body followed by Kanao Tsuyuri beheading him.
This means that there is a way for Nezuko to beat any of the Upper Moon 6 demons: Daki, Gyutaro, or Kaigaku. To do so, Nezuko would have to fight the demons outdoors and prolong the fight long enough for the powerful demons to be exposed to sunlight.
While there were numerous remarkable moments in episode 9, one scene, in particular, captured the collective attention of fans worldwide, the beheading of Gyokko. In a stunning display of precision, the head of the formidable Upper Moon 5 Demon is cleanly severed, and his body swiftly turns to ashes.
History. Jigoro was the instructor of Zenitsu and Kaigaku as the former Thunder Hashira. Kaigaku managed to master all of the Thunder Breathing Forms except for the first Form, meanwhile Zenitsu had only managed to master the first Form and none of the others due to his inexperience.
The first demon that is said to have existed was Muzan Kibutsuji. The one who turned him into a demon was a generous doctor from the Heian Period, who wanted to save Muzan from death since, at the time, he was diagnosed with a disease which would kill him before he turned twenty.
Nezuko Kamado
Zenitsu also protects Nezuko multiple times when she is in danger, evident during Zenitsu's first meeting with Inosuke Hashibira and the battle against Enmu in the train. Eventually Zenitsu and Nezuko would marry and start a family as evidenced by their descendants.
Tengen Uzui Retired To Live His Best (Flashiest) Life
The Sound Hashira is the Pillar of focus in the series' "Entertainment District" arc. Squaring off against Upper-Rank Six, a title shared by demon siblings Daki and Gyutaro, Tengen thankfully survives this encounter -- but just barely.
Tengen Uzui abandoned his role as the Sound Hashira during the Entertainment District arc after fighting the upper-rank demons Daki and Gyutaro.
At some point, Daki fought, killed and ate seven Hashira.
Nezuko setting Tengen on fire. By the end of the battle, Gyutaro's poison has spread throughout Tengen's body resulting in his inability to speak. As he lays dying from the poison, Nezuko Kamado intervenes and uses her her Blood Demon Art to burn the poison out of his system, allowing him to rejoice with his wives.
Warning: This section contains spoilers from the Demon Slayer manga. Well, you'd be delighted to know that Tengen Uzui doesn't die fighting against Gyutaro and Daki. However, the Sound Hashira does die in the manga, but that happens far in the future.
While Daki expresses extreme devotion and submissiveness to her demonic master Muzan, she is also highly prideful to anyone she deems below her. This pride extends to the people that she eats as well. She will only eat beautiful people and kill them without eating them just because they annoy her.