Who would win between these 4 former hashira?

Demon Slayer Season 4 teaser confirms the return of fan-favorite Hashira - Dexerto

Strongest Hashira Members In Demon Slayer

Demon Slayer: The 9 Hashira and Their Powers

Who was the strongest former Hashira? - Quora

Demon Slayer Reveals Tanjiro's New Seal of Approval

Ask AI: Rank all nine hashira from strongest to weakest

Hashira, Kimetsu no Yaiba Fanon Wiki

Among these 4 Hashira/Pillars that we got to see in full action. who's breathing style would you say is your favorite? : r/KimetsuNoYaiba

What will Demon Slayer Season 4 be about?

Demon Slayer Season 4: What kind of match-ups will we see in the Final Battle?

In Demon Slayer, it's said that previous Hashira's have died to the upper moon demons. Is it shown/known who these previous Hashiras are? - Quora

Demon Slayer: The 9 Hashira and Their Powers