Blue Spider Lily (2024)

Table of Contents
Overview[] Trivia[] References[] FAQs

The Blue Spider Lily ( (あお) () (がん) (ばな) Aoi Higanbana?) is a mythical flower. It is an important ingredient of a medicine for Muzan Kibutsuji's treatment and the reason he turned into a demon.[1]

Overview[]

The Blue Spider Lily is a mythical and enigmatic flower that is described to be a spider lily that is blue in color instead of red. The flower only blooms at daytime for two to three days a year, after which it closes back up, resembling a large horsetail weed.[2] In some cases, depending on the climate, the Blue Spider Lily doesn't even bloom at all. This explains why Muzan Kibutsuji never found it despite searching all over Japan for centuries: he was hindered by his inability to go out during the day.

This flower has medicinal properties, being used to cure Muzan of an unknown illness that would've caused him to die before turning 20,[3] albeit the medicine was in its experimental stage and thus extremely difficult to replicate.[4] The Blue Spider Lily medicine was also the cause behind Muzan's demonification, granting him a strong body and changing his blood to have transformative properties, enabling Muzan to create more of his kind as well as hold dominion over them. However, this medicine also had the side effect of causing Muzan to disintegrate into ash if he was exposed to sunlight as well as a craving for human flesh.[5] It is also implied that the Blue Spider Lily can nullify a demon's weakness to the sun if it’s consumed, which is the reason Muzan was spending centuries searching for the flower.

Trivia[]

  • Kie Kamado knew where the Blue Spider Lilies bloomed, and showed them to Tanjiro Kamado when he was very young. This is why he was vaguely able to briefly recall them when his life was flashing before his eyes during the battle against Rui.[6][7]
  • The flower doesn't bloom every year and did so only for a very limited time. Out of the six siblings, Tanjiro was the only one to witness them.[7]
  • The Blue Spider Lilies bloomed in the same spot where Yoriichi Tsugikuni buried his wife Uta.[7]
  • The Blue Spider Lily is a flower that does not exist in reality. However, the Red Spider Lily is an important flower in Japanese folklore, believing to guide the dead to their next reincarnation. They are also believed to grow upon the shore of the Sanzu River, the river of the dead in Japanese folklore, and all who die must traverse the width of it. It is possible the author intends for the Blue Spider Lily to represent the antithesis of the Red Spider Lily (salvation), which would be damnation.

References[]

  1. Kimetsu no Yaiba Manga: Chapter 127 (Page 12-15).
  2. Kimetsu no Yaiba Manga: Chapter 205 (Page 7).
  3. Kimetsu no Yaiba Manga: Chapter 127 (Page 12).
  4. Kimetsu no Yaiba Manga: Chapter 127 (Page 14).
  5. Kimetsu no Yaiba Manga: Chapter 127 (Page 15).
  6. Kimetsu no Yaiba Manga: Chapter 39.
  7. 7.0 7.1 7.2 Kimetsu no Yaiba Second Fanbook.

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Blue Spider Lily (2024)

FAQs

Was the blue spider lily ever found? ›

In some cases, depending on the climate, the Blue Spider Lily doesn't even bloom at all. This explains why Muzan Kibutsuji never found it despite searching all over Japan for centuries: he was hindered by his inability to go out during the day.

Does Tanjiro's mom know where the blue spider lily is? ›

It is shown that Kie Kamado, Tanjiro's Mom, knew when the blue spider lily bloomed, and she even showed Tanjiro when he was younger. If muzan hadn't killed her, he could have become immune to sunlight.

What happens if Muzan found the blue spider lily? ›

Muzan &The Blue Spider Lily

Muzan then discovered that while the medicine did strengthen his body, the side effects made sunlight fatal to him, and he developed a thirst for human flesh.

Did Nezuko eat the blue spider lily? ›

Nezuko having eaten the Blue Spider Lily could explain her immunity to sunlight, and Demon Slayer: Kimetsu no Yaiba has already justified it. According to the second official databook, the Blue Spider Lily bloomed near the Kamado family's home, with Tanjiro being shown its location by his mother.

Why does Muzan want Nezuko? ›

In essence, he wants to absorb Nezuko and gain her power which will finally set him free from the burden of living in fear of the sun. This sets up an exciting finale for the series, one where the Demon Slayer Corps now have no choice but to confront Muzan head on to prevent Nezuko from falling into his clutches.

Why is the blue spider lily so hard to find? ›

Unfortunately for Muzan, the Blue Spider Lily was an evasive flower to find, as it only bloomed during daytime at two or three instances each year. In certain climates, the Blue Spider Lily will fail to bloom entirely, making it even more difficult for Muzan to secure the flower.

Did Kie know where the blue spider lily was? ›

Sengoku Secret: Tanjirou's mother Kie knew where the blue spider lilies bloomed. She showed them to him when he was very little, so that was why he briefly recalled them when his life was flashing before his eyes in the battle against Rui.

How did Tanjiro find out Muzan killed his family? ›

A few years later, after Tanjiro had joined the Demon Slayer Corps, he encountered Muzan Kibutsuji while visiting the city of Asakusa. It was there that Tanjiro confirmed by Muzan's scent that he was the demon who'd massacred the Kamado family.

Why is Nezuko immune to sunlight? ›

Then, Muzan decides to stop creating demons and will focus on getting Nezuko and sucking her blood so he can also be immune to the sun and become immortal. While the strong reason why Nezuko can be immune to the sun is that she comes from a family that passed down the Sun Breathing Technique.

Can Muzan get pregnant? ›

Demons cannot have offspring (if they do have kids and descendants it was before they became a demon, the child is most likely not Muzan child. As we seen in season two how he manipulated the elderly couple, I see Muzan also manipulating the mother who probably lost her husband.

Who eventually kills Muzan? ›

The explosion, which was enhanced by spike traps, manages to injure Muzan. Before he is able to regenerate fully, Tamayo appears and uses her Blood Demon Art to keep him in place, while using a drug that can turn him into human. Using this opportunity, Gyomei Himejima appears and destroys Muzan's head.

Did Muzan give Nezuko his blood? ›

As shown in her recollection, Muzan was shown to have attacked the Kamado family purely out of a whim, with him later injecting Nezuko with a gigantic amount of his blood only to see if she could survive or not, when she had seemingly died, Muzan was shown to have been initially disappointed and wondered if he could ...

Has Nezuko ever eaten blood? ›

Nezuko is one of the few demons known that can hold herself back from drinking human blood. This takes an incredible amount of willpower, which is unprecedented among demons.

Does Nezuko have pink eyes? ›

She has soft-looking, pale pink eyes that appear a lighter color around the rims of their irises, slanted downward toward the sides of her face and framed by notably long eyelashes, the pupils of which can appear slit as she transforms.

Where did Muzan find the blue spider lily? ›

In some cases, depending on the climate, the Blue Spider Lily didn't even bloom at all. This explains why Muzan never found it, as he would have been unable to go out during the day.

Who will find the blue spider lily? ›

Over a hundred years after Muzan's death, botanist Aoba Hashibira discoverd samples of the Blue Spider Lily and figured out that it only blooms at daytime two or three days a years, and when it does, in only blooms for a short period of time and then it closes back up, ressembling that of a big horsetail weed.

Do blue lilies exist? ›

Blue lotus flower (Nymphaea caerulea) is a psychoactive plant, also known as blue Egyptian lotus, blue water lily, and sacred blue lily. It's been used in traditional medicine for thousands of years as a natural aphrodisiac, sleep aid, and anxiety reliever.

How rare is Blue spider lily in Demon Slayer? ›

However, the final chapters of the manga explain how the flower has eluded him for centuries. Inosuke's descendant, Aoba Hashibara, discovers that the Blue Spider Lily is a rare flower that only blooms two to three days a year -- and exclusively in the daytime.

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