The engravings on Shinobu's sword reads "evil demon" (悪鬼, akki) on the right side of the blade, and "destroy/kill" (滅殺, messatsu) on the left side of the blade.
Shinobu's swordplay specializes in sword thrusting and piercing techniques in order to inject poison into demons. Her sword thrusts are so fast and powerful that they can pierce boulders and out-speed Water Breathing's Drop Ripple Thrust form, the fastest thrusting technique in that Breathing Style.
After the Demon Slayer reaches the rank of Hashira, their weapons will be engraved with the words "Destroyer of Demons" ( 惡 あっ 鬼 き 滅 めっ 殺 さつ , Akki Messatsu?).
Equipment. Standard Nichirin Katana: Kyojuro carried a standard sized and shaped katana made from scarlet ore that is a deep shade of reddish-orange in color with the words Destroyer of Demons ( 惡 あっ 鬼 き 滅 めっ 殺 さつ , Akki Messatsu?) engraved on the side.
Shinobu and Giyuu are not implied to be a couple, but some think the way they interact with each other is endearing in a "bickering couple" kind of way. Despite Giyuu looking serious, he has an aloof and airheaded personality that people don't like.
Shinobu holds a strong resentment and hatred for Doma, due to him killing her older sister, Kanae.
His blades are engraved with the phrase Destroyer of Demons ( 惡 あっ 鬼 き 滅 めっ 殺 さつ , Akki Messatsu?).
His katana's hilt is circular shaped with 4 slight indentations, with a black center and a golden border. Yoriichi's katana also has the words Slay ( 滅 めつ , Metsu?) engraved on the side.
滅: to destroy, 殺: to kill. 滅殺 is a very strong idiom for killing. This word is engraved on the swords of Hashira.
Black. Toho Co., Ltd. Black is the most mysterious color of all the blades, and is held by the main character, Tanjiro. It is a rare blade and represents the sun; it also holds a theory that the demon slayers who own this sword are not to live a long life.
As a Hashira, Muichiro's katana has the words Destroy Demons engraved on the blade. His sword's tsuba is rectangular with hollowed rectangles at each corner accentuated by the green of the tsuka.
Inosuke's Indigo Dual Swords. One of the most unique swords in the entire Demon Slayer anime is Inosuke's indigo dual swords. He wields each sword in his hand and uses the trademark Beast Breathing technique to use them in a crude but very effective manner.
Keen Intellect: Shinobu possesses vast knowledge in using poison in combat. She has one of the best IQ in the Corps, having an IQ of over 200 making her a genius.
Derived from the Water Breathing, the light pink Nachirin blade represents the Flower, and it is used by Kanao Tsuyuri and Kanae Koucho the sister demon slayers who developed their own shared Breathing.
On the back of the shirt is a large kanji character in white, ”滅” (metsu, meaning extermination), representing the "metsu" in the Demon Slayer Corps name in Japanese which is kimetsutai (鬼滅隊 ).
When Tanjiro's sword unexpectedly turned black, it may have been the first sign that he was in for a remarkable journey. Nichirin blades are capable of killing demons via decapitation because the mountain where the metal is mined is constantly drenched in sunlight, the fatal weakness of all demons.
It involves covering a Nichirin Sword with Nezuko Kamado's Exploding Blood to raise its temperature to the point it turns bright red.
Sound Hashira
He is the fastest Hashira, and the second physically strongest. Obviously, then, Tengen Uzui is rather proud. He is demanding, fussy, boastful, and prone to selfishness. But he is also ultimately kind and caring, with great love for his three wives as well as the other Hashira.
His nails are two different colors because he has his wives pick the colors. Makio wanted him to paint them red, but Suma & Hina disagreed and wanted him to paint them green, so he just painted them both colors to prevent them from disagreeing even more.
5/10 Did Not: Tengen Uzui Retired Before Getting His Mark
The Hashira began obtaining their marks after the Upper Moons appeared in the Swordsmith village, an event that occurs immediately after the Entertainment District Arc that Tengen battles in. After his fight against Daki and Gyutaro, Tengen had to retire.
Shinobu and her older sister Kanae were from a wealthy family who worked in compounding medicine but their life was ruined when a Demon attacked their home killing their parents.
Yae ( 八 や 重 え , Yae?) is a young woman who joins Giyu Tomioka on his travels in Giyu Tomioka's Story after her father Matazo transforms into a demon.