Gyutaro even went as far as giving Daki one of his eyes to power her up, but also so he could literally keep an eye on her while they fought separately.
Daki received a third eye that Gyutaro had implanted on her forehead. Her reflexes were quicker, her movements were sharper and her strength improved quite drastically. If we take a closer look, it was Gyutaro's left eye that was implanted on her forehead.
Extrasensory Perception: Daki had the ability to share her senses and mind with her elder brother, and also allowed him to control her body by implanting one of his eyes into her forehead. Through this eye and the link, she can send him logistical information in order for them to better coordinate their attacks.
Core Detachment: Gyutaro possessed the ability to completely detach his "core" from his own body, with it seemingly taking the form of his right eye that he then implants into his sister Daki's forehead, that then enhances and strengthens all of his sister's abilities and powers.
In the second Kimetsu no Yaiba Databook, it is said that one of the reasons why Daki gouged the samurai's eye was that he insulted Gyutaro.
Since she is hiding her Demon form we see her as a beautiful young lady with typical oiran makeup that further enhances her beauty. When she turns into her Demon form she gains pink and purple flower shaped Demon marks on her cheek and forehead.
First of all daki is already shown as a prostitute in the entertainment district arc. She wears these clothes because she has to look seducing.
Does Muzan have a favorite demon? Despite the fact that Muzan. is always shown to have disdain for his creations, Muzan does in fact have a favorite. On that list is Naki, made due to a convenient blood demon.
Even in death, she refuses to leave Gyutaro alone and stubbornly insists on following him even to hell. She believes that they're at their strongest when together, and that no matter how many times she dies and is reborn, she will always be his little sister.
In the eighth episode of the "Entertainment District" arc, Upper Six Gyutaro couldn't stop gushing over his man-crush on Tengen. The Sound Hashira, however, declared that if Gyutaro thinks Tengen is all that, he'd be blown away by some of his fellow Hashira.
Why is Daki weak? Daki only seemed weak because she was fighting against 3 dudes that are Hashira level and one that is above that. Tanjiro, Inosuke and Zenitsu aren't Hashira level.
Even though Daki has a youthful appearance, she is actually over 100 years old.
These pieces forcibly merged back with their former host, and after they enter her body she begins to change. Her black hair begins to change into white, and her skin becomes far more pale with blood infused veins rising throughout her body.
Daki quickly identified the memory as Muzan's, in which a man with the same auburn hair, Hanafuda Earrings and forehead scar as Tanjiro delivered an equally foreboding speech to him.
Psychic Connection: Daki has the ability to share her senses and mind with her elder brother, and also allow him to control her body by implanting one of his eyes into her forehead.
Muzan is shown to have a positive master-servant relationship with Daki, as the young Demoness seemingly worships and admires the Demon Progenitor immensely, fervently hanging on each and every one one of his words and doing her absolute best to accomplish the tasks he gives her.
Despite losing his memories, Akaza was noted to have subconsciously retained his strong feelings for Koyuki, this is seen where Doma noted that Akaza absolutely refused to kill and eat women during his hundreds of years as a Demon, despite his obsessive desire for more strength and power.
Apart from that, Muzan doesn't hate Akaza because of his obedience. The only Demon he despises the most is the Upper Rank Two: Doma.
3 Muzan Mainly Liked Daki Because Of Her Potential To Earn Money. Given how easily Muzan would destroy any demon who didn't have any use for him, people have to wonder how he managed to be so tolerant for Daki's sake even though he already held the notion that she wasn't the brightest of the lot.
With his blood, Muzan can turn others into demons and seems like an unstoppable foe. However, the demon king seems to fear one thing: Tanjirou's hanafuda earrings. A look into Muzan's past reveals that only one man ever came close to killing him.
Furthermore, Doma is regarded as the coldest and most obnoxious demon. He frequently behaves carelessly around Muzan, which he even hates. All these aspects, as well as Doma's lack of sincerity, irresponsibility, and complete maniac-like nature, fuel Akaza's hatred for him.
Curse of Kibutsuji
This curse besotted any who partake of Muzan's blood must be careful. The curse prevents Muzan's name from being spoken aloud, and any who do will meet a horrible demise. One demon, Susamaru, faced this reality when battling Tamayo.
Demon Slayer Is Under Fire for Its Sexualization of Nezuko - IMDb. The Demon Slayer fanbase is in a heated debate over Nezuko's adult form - and whether it's appropriate.
With the help of her Obi, Daki would trap her prey and store them inside the Obi. This allowed Daki to consume the trapped people at her leisure.
6) Daki. Given that she is the only demon on this list, it is quite obvious that the Demon Slayer fan base considers her to be a waifu merely for her appearances.