She is present in the Little Tower when Nynaeve Heals both Siuan Sanche and Leane Sharif of stilling completely shocking everyone. Therva thinks that Fire could be useful in Healing problems of the heart.
Due to her skills at reading residues, she was one of the team chosen to investigate after the massive amount of the One Power was used for the Cleansing of saidin.
Some time after they report that they found a large hole where Shadar Logoth used to be. Reading the residues of Power they discovered also that a huge amount of saidin was used along saidar.