Considering how strong Nezuko became as a demon and how strong Tanjiro grew as a swordsman, it's possible that his younger siblings could have also risen to the ranks of the Twelve Kizuki, adding ...

When the siblings are on the brink of death, Nezuko, for the first time in the anime, uses her awakened state to fight. Nezuko's awakened state boosts her speed and strength and enhances her ...