It's hard to give an exact number. Different story arcs and battles led to the deaths of multiple hashira. Some died heroically, while others met their fate in unexpected ways. The count changes as the manga progresses.
Quite a few. Some of the notable Hashira who died include Gyomei Himejima and Shinobu Kocho.
Well, several hashira died. For example, Gyomei Himejima sacrificed himself in a fierce battle.
Yes, Tanjiro eventually becomes a Hashira in the manga after going through many challenging battles and growth.
Not all of them died. Some Hashira managed to survive until the end of the manga.
Inosuke doesn't become a Hashira in the manga. The story progresses with him having other significant experiences and achievements instead of achieving that specific position.
Yes, she does. But it happens under specific circumstances and for particular reasons related to the plot.
Definitely not. Genya remains outside the ranks of Hashira throughout the manga. This is because of a combination of factors such as his skills, experiences, and the overall direction of the story.
To be honest, counting the exact number of Subaru's deaths in the manga is quite challenging. It keeps changing as the story progresses and new challenges arise for him.
It starts around chapter [X]. But the exact point might vary depending on different translations and editions.
Demon Slayer left off in the manga Hashira at a cliffhanger moment. The heroes were at a crossroads, and the fate of the world hung in the balance. It was a point that left readers eager for more.