The Strongest Demons and Hashiras in Demon Slayer
The King of all demons, every demon has been created by Muzan.
The Wind Hashira is known for his ferocious strength and supersonic speed.
He is only second to the Demon king and takes the spot of Upper Moon 1.
The Water Hashira will cut you down with elegance.
We all got to see his strength first-hand in the Entertainment District Arc.
The Mist Hashira, he is known to become a Hashira with just 2 months of training.
His strength was witnessed first hand during his clash with Rengoku.