Kaigaku is one of the Demons that the Demon Slayers have to face during final war in Infinity Castle Arc. He is a Demon who fills the vacant seat of the Upper Moon Demon 6 left by Gyutaro and Daki after their defeat in the Entertainment District in the fight against Tengen Uzui, Tanjiro, Nezuko, Zenitsu, and Inosuke.
Who killed Kaigaku in Kimetsu no Yaiba? Based on the manga, here’s the answer!
1. Who is Kaigaku?
In fact, the figure of Kaigaku had already appeared in the first season of the anime. Kimetsu no Yaiba, precisely through a flashback of Zenitsu Agatsuma who at that time was faced with a battle against the Spider Demon Family which was ruled by Lower Moon 5 Rui on Mount Natagumo.
Kaigaku himself is Zenitsu’s senior, where both of them studied swordsmanship and the Lightning Breathing Technique from Jigoro Kuwajima, who is none other than the former Lightning Hashira.
However, Kaigaku and Zenitsu never got along. Kaigaku actually harbored a great hatred for Zenitsu whom he considered a coward. Moreover, after Jigoro decided to make Zenitsu his successor, Kaigaku disliked his junior even more.
Long before that, Kaigaku also had a bond with Gyomei Himejima who is now a Stone Pillar. As shown in Gyomei’s past, Kaigaku was one of the children he had taken care of, but later became the cause of Gyomei’s life’s destruction.
2. The character who defeated Kaigaku
The character who killed Kaigaku in Kimetsu no Yaiba is Zenitsu Agatsuma who is none other than his own junior, a figure he used to look down on.
The fight between Kaigaku and Zenitsu took place from chapter 143 to 146 of the manga. It all started after Zenitsu realized Kaigaku’s presence who was hiding his existence in Infinity Castle, then forced his former senior to show himself.
After a lengthy debate, Kaigaku finally opened the battle by launching the fourth form of his Lightning Breath. However, Zenitsu was faster. Zenitsu dodged Kaigaku’s attack, while also delivering a counterattack that sliced the latter’s neck. Upper Moon 6.
The fight between Jigoro’s two students was quite fierce. Zenitsu even received a fatal wound and fell from a height. However, after remembering his past with his mentor, Zenitsu was motivated again to strengthen his determination.
Zenitsu uses his own technique that he specially prepared to fight Kaigaku, the seventh form of Lightning Breathing. Zenitsu launches the attack very quickly. Zenitsu manages to defeat Kaigaku.
3. So it was an opportunity for Zenitsu to take revenge for his teacher’s death.
In the fourth season of the anime Kimetsu no Yaiba, Fans were shown the moment when Zenitsu received an important letter from Kasugai Crowhis, Chuntarō. The letter contained information about the death of his teacher, Jigoro Kuwajima.
However, what made Zenitsu furious was the reason behind the tragedy. The reason was, Jigoro ended his own life by committing suicide. suicide. Jigoro took this reckless action because he was ashamed because one of his students, who was none other than Kaigaku, had turned into a demon.
Kaigaku decided to throw away his human side because he was afraid of being killed by Upper Moon 1 Kokushibo. At that time, Kaigaku was wandering around looking for a strong Demon to defeat, because he was upset that Jigoro chose Zenitsu to be the successor of the Lightning Pillar.
Unfortunately, the one Kaigaku met was Kokushibo. Basically, Kaigaku was much more cowardly than Zenitsu. He was willing to throw away his pride in order to stay alive. That was why Kaigaku did not hesitate to betray Gyomei and beg for mercy from Kokushibo and consume the Demon’s blood.
After receiving the sad news, Zenitsu immediately focused on his personal mission. He prepared himself to avenge his teacher’s death against Kaigaku.
So, the character who killed Kaigaku in Kimetsu no Yaiba is Zenitsu Agatsuma, who is none other than his own junior. Although their battle was quite short, it was a very important moment for Zenitsu.
What do you think?