Webas a demon that was awakened through the first progenitor muzan’s blood, nezuko has an incredible blood demon art that she first awakened during the mugen.
Webin her awakened form, nezuko has the ability to convert her blood into pink flames and hinder the healing of other demons.
She is also immune to sunlight and possesses.
Webnezuko's demon form explained.
The latest episode featured nezuko kicking daki's head with a powerful kick.
Looking at tanjiro coughing blood, nezuko.