Nezuko's most significant trait, however, is her immense growth, which is likely due to a combination of the amount of blood she received from Muzan and her willpower. To conclude, Nezuko is a formidable powerhouse within the anime and is probably one of the strongest main characters in the series.
However, the trait that sets her apart from all other demons is the fact that she has the ability to conquer the sun, prompting the Demon King to call her the "chosen demon". Abnormal Demon Physiology: Nezuko has several unique demonic traits that set her apart from all other demons.
Despite not being a member of the Twelve Kizuki, Nezuko is a very powerful demon. Her most prominent traits is her extraordinary growth rate possibly due to the high amount of blood she received from Muzan.
There is no doubt that Nezuko is faster and stronger than the base form of Tanjiro. However, he can activate his Demon Slayer Mark and happens to be a user of the Breath of the Sun. This gives him an edge because it is one of the series' strongest and most efficient breathing techniques.
Nezuko would be far stronger than Tanjiro in the base form in terms of pure physical abilities. But Tanjiro gained superhuman strength and speed owing to the activation of the Demon Slayer Mark. Comparing the two in these forms, Nezuko might still outperform in terms of speed and strength.
While she might not be as powerful as Muzan himself, her overall strength makes her easily comparable to an Upper rank demon.
Giyu is one of the legendary Hashira, and he's brought down demons far more powerful than Nezuko. With his level of skill and impressive agility, he'd easily defeat Tanjiro's little sister. In fact, when Giyu first meets Tanjiro and Nezuko, he almost does kill the latter.
Nezuko's Unique Blood Demon Art and Potential to Defeat Muzan Kibutsuj, the Demon Lord. The Demon Slayer's demons evolve and gain power by consuming human blood, eventually developing their own unique Blood Demon Art.
Weakness: Weaknesses associated with Demon Physiology, however the weakness to sunlight was eventually overcome. Nezuko's flames appear to only work on Demons and demon-based abilities, while harmlessly affecting humans. Using too much blood for her Blood Art can make her fall asleep.
Yoriichi Tsugikini. Yoriichi Tsugikuni is the strongest demon slayer character to have ever existed in the series. He is also the only person that Muzan was ever afraid of. He invented the original breathing styles that later branched out into the ones that Harshiras use to date.
However, she wasn't immune to the sunlight initially, as she got burned badly at first. So, in conclusion, her coming from a Sun Breathing user's lineage and not relying on human substance are perhaps the reasons for her immunity.
1 Exploding Blood/Pyrokinesis Blood Demon Art
By far, this is Nezuko's most damaging technique when it comes to fighting her own kind.
Muzan can only not control two demons that are Nezuko and Tamayo. Nezuko is able to cling to all the humanity she has left and she can also block his influence on her. Her strong desire of protecting her brother and the devotion towards her family makes her hard to control for Muzan.
The muzzle serves as a representation of Buddhist practices. First, it gags Nezuko, preventing her from speaking like a Buddhist monk's vow of silence, but it also is there to suppress her desire to eat humans. Through a Buddhist lens, Nezuko's muzzle is the symbol of a Buddhist monk.
Nezuko's Blood Demon Art is “Pyrokinesis,” which allows her to generate and manipulate special demonic flames created from her blood. It may be because of her unique nature, but her flames have a special ability, making them only harmful to demons and anything related to demons.
In episode 6 of Demon Slayer season 2, Nezuko entered a berserk state to protect her brother Tanjiro, causing her body to develop into that of an adult. She loses her gag, grows a single horn and gains vine-like patterns across her body.
Nezuko doesn't stand a chance against the Upper Moon 3
Nezuko is undoubtedly a strong demon in Demon Slayer and she proved her strength repeatedly. One situation that really displayed her true potential was the fight against Daki. She underwent a transformation and thoroughly overwhelmed the Upper Moon 6 demon.
Demon Slayer: Analyzing the concluding chapters to ascertain Nezuko's love interest. Nezuko marries Zenitsu Agatsuma in the Demon Slayer series.
Nezuko's most significant trait, however, is her immense growth, which is likely due to a combination of the amount of blood she received from Muzan and her willpower. To conclude, Nezuko is a formidable powerhouse within the anime and is probably one of the strongest main characters in the series.
Muzan Kibutsuji
Just like Tanjiro, Nezuko shows nothing but hatred towards Muzan. During her battle with Daki , she regained the memories of when Muzan killed her loved ones which convinced her to kill one of his followers as well.
"Humans are to be protected and saved... I will never hurt them." - Nezuko Kamado.
The number one ranked Kizuki is the terrifying Kokushibo, whose six orange eyes mark him out as one of Demon Slayer's most striking character designs. He also bears a major resemblance to Tanjiro thanks to his red-tipped hair and flame-marked face, although that appears to be a coincidence.
Nezuko, also a part of our strongest characters in the Demon Slayer list, is one of the most powerful female characters in the anime. Just by being a demon, she is more powerful than all the human characters in the series. And she is also the only demon who can withstand the sun, making her practically unkillable.
Since he didn't know anything about the Blue Spider Lily medicine, he needed others to find the plant for him by happenstance. This is the general reason why Muzan turned Nezuko into a demon. More specifically though, was the fact that Nezuko was of Kamado blood.