Tamayo and Shinobu each play an important role in Demon Slayer's finale. What did they do to leave their mark?

Lady Tamayo, a demon with medical knowledge, successfully cut herself off Muzan's control using her Blood Demon Art. She uses her blood to perform spell-like effects and creates another demon ...

This gives Tamayo the opening to attack Muzan with a blood demon art which pushes thick and hard thorns into Muzan’s body to keep him in place. She then poisons him with her medicine which can ...