Back Stories (Warning Mostly Manga)
Forms/breaths
Demon Slayers
Pillars/Hashiras
Swords
100

Tanjiro and Nezuko

family dead, dad was a wood cutter and dancer

100

How did Tanjiro achieve his breath of dance of the fire god? Hint: Dad

He recalled everything about his dad and how he told him about his fire dance.

100

Whos of Tanjiro's family did muzan kill? You don't have to know all the names.

Everyone except Nezuko and him

100

Who saves tanjiro and nezuko from rui? 

Giyuu

100

What are the blades made from

Nichirin

200

Muichiro

When he was 11 his parents and brother died. His parents from a demon and a different demon killed his brother. He became a pillar at the age of 13

200

What is the name of kanroji's breath form? (Shes the girl with green and pink hair with the curved sword)

Breath of Love

200

Who breaks their swords on rock when they get their swords

Inosuke hashibira

200

Which pillar was like a brother to Sabito?

Giyuu Tomioka

200

How does Tanjiro turn his blade red without gaining sight of the see-through world? Hint episode 19

Nezuko uses her demon blood art to explode the blood on his sword.

300

Wind Pillar

His mom turned demon so he protected his bro and killed her with a rock. He protected his brother while traveling the land and killing demons with random stick weapons he found.

300

What is the see-through world that one can achieve on the brink of death.

Allows one to see through demons skin to see their organs.

300

At what age did muichiro die

14

300

Who beats up nezuko and tempts her to drink their blood to prove they are un sanitary. 

Sanemi

300

What shape is obanai's sword in

jagged dagger

400

Zenitsu

His parents die. He found a sensei who trained him. He could only learn the form thunderclap dash. His brother made fun of him for being weak, and the brother later became an upper demon moon. He ends up fighting his brother and Zenitsu easily wins with his variants of the first form of thunder breathing 1st form thunderclap flash.

400

What are all the forms based off of

The breath of the sun

400

How did Inosuke Hashibira's human mom die?

Doma lured his mother into his cult and later ate her for sustainability. 

400

Why does obanai have a bandage on his mouth

He was abused as a slave child and has a giant scar on his lip.

400

What type of weopon does the rock pillar have.

A nichirin spike ball and chain

500

Muzan

He was a normal guy until he was about to die from deadly cancer like his brother who is grew to be the first leader of the demon slayer corps. Instead of dying, the doctor gave him a serum to help, but it turned him to a demon. 

500

How is form 13 of the breath of the sun achieved? 

By doing all 12 forms in concession.

500

Who filled herself with tons of demon poison?

Shinobu

500

What is the name of Muichiro Tokitō's dead brother?

Yuichiro Tokitō

500

Who's sword guard does Tanjiro Recieve after the Infinity train arc. 

Rengoku's

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