Tao Fa, also known as Great Sage Ratna (ラトナ大聖, Ratna Taisei), was a member of Lord Tensen, as well as one of the rulers of Kotaku. She maintains the female gender throughout the series. 

She has a very close relationship with [[Ju Fa]].

Like the rest of Lord Tensen, Tao Fa is named after a flower. "Tao Fa" (桃花) meaning "[[peach blossom]]". Furthermore, Tao Fa's hair is in the shape of the petals from the [[peach blossom]] flower.
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