Nezuko's Redemption Arc: How A Demon Found Solace Within Humanity

Webthe blue spider lily, when consumed, has the ability to let demons be immune to sunlight, and as a result was actively sought by demon king kibutsuji muzan.

As she has no.

Webnezuko, tanjiro's sister, has a unique and powerful demonic form called the awakened form, which grants her immense physical strength and agility.

Webnezuko spends almost the entire arc sleeping to recover her strength after she used her blood demon art for the first time against rui on mount natagumo.

Webnezuko punched the swamp demon hard enough to cause him to cough blood and was capable of overwhelming the demon with powerful punches and kicks.