5 Weakest Hashira in Demon Slayer, Ranked

Demon Slayer built its Hashira as near-mythical warriors, the strongest swordsmen the Corps has ever produced. But strength in this story isn’t just about muscle or blade work, and even the Pillars have cracks. Some never triggered their Demon Slayer Mark. Others carried bodies that couldn’t keep pace with their skill, or minds worn down by grief, addiction, or years of quiet self-doubt.

None of that makes them any less essential to the story; if anything, it makes them more human. Here are the five Hashira most often called the weakest, ranked from least fragile to most, and the real reasons behind each ranking.

5 Kanae Kocho: The Flower Hashira Who Never Awakened Her Mark

Kanae Kocho from Demon Slayer | Credits: Ufotable

Kanae Kocho held the Flower Hashira title before her sister Shinobu ever picked up a sword, and honestly, she was no pushover. She trained both Shinobu and Kanao herself, and they eventually grew past her. She also never triggered her Demon Slayer Mark, despite trying everything she could think of. It’s less about her being weak and more about her getting outpaced by her own students. That’s why she lands at the bottom of this list – outclassed, not outmatched.

4 Shinjuro Rengoku Drowned His Grief in Bottles and Broken Pride

Shinjuro Rengoku from Demon Slayer | Credits: Ufotable

Shinjuro Rengoku used to be sharp, disciplined, and proud of his family’s fire. Then his wife Ruka died, and everything cracked. He stumbled onto old records suggesting Flame Breathing came from something greater – the Sun Breathing – and that discovery gutted whatever confidence he had left. He quit being a Hashira, started drinking heavily, and pushed his own sons away for years. His skill never vanished, but his spirit did. That collapse in willpower is exactly why he earns a spot here.

3 Tengen Uzui Bowed Out Before His Demon Slayer Mark Ever Bloomed

Tengen Uzui from Demon Slayer | Credits: Ufotable

Tengen Uzui, the flashy Sound Hashira, went toe-to-toe with Gyutaro, an Upper Rank demon, and came out having lost an arm and an eye. He still won. But he retired right after, choosing his three wives and a quieter life over more bloodshed, and that meant he was never around for the training arc that awakened marks in his peers. Well, technically he was, but exclusively as a mentor and a former Pillar. He simply never got the chance to reach that next gear. It’s circumstance more than shortfall, but the list still counts it against him.

2 Mitsuri Kanroji Doubted Herself More Than Any Demon Ever Could

Mitsuri Kanroji from Demon Slayer | Credits: Ufotable

It’s actually quite easy to forget Mitsuri’s muscles are eight times denser than a normal person’s, which makes her genuinely one of the strongest fighters in the Corps. But her real struggle was internal. She spent years hiding her strength and dyeing her hair just to seem “normal enough” to get married, convinced something was wrong with her. Even after joining the Corps, that self-doubt lingered under the cheerful exterior. Her power was never in question, but her sense of self clearly was, and that’s the reasoning behind her spot here.

1 Shinobu Kocho Fought Giants With a Body Made of Pure Glass

Shinobu Kocho from Demon Slayer | Credits: Ufotable

The Insect Hashira Shinobu Kocho couldn’t decapitate a demon if her life depended on it, and often, it did. Her frame just doesn’t have the strength for it, so she rebuilt her entire fighting style around Wisteria poison instead, turning her own blood toxic over years of preparation. That workaround eventually killed Doma, the demon who murdered her sister. She was more about speed and intelligence than pure strength. Still, needing an entirely different combat system just to compensate for a body that can’t do the basics puts her at the very top of this list.

What are your thoughts on our reasoning and list of the weakest Demon Slayer Hashiras? We’d love to know your picks and opinions in the comments below.

All Episodes and movies of the Demon Slayer series are available to watch on Crunchyroll.