Nuwa's mission was a failure. There was no denying it. The proof was the people she was supposed to rescue ended up dead. She herself was poisoned, and worse, if not for the Pontiff and the Supreme General who saved her, she would have died in a foreign land, executed by lowly humans.
When did she go ever through such a humiliating experience?
For goodness' sake, she was a dignified daughter of a marquis! Her abilities ranked her in the top 5 of her generation. And she was a golden agent famed for never failing any mission before!
So what did go wrong?
When Nuwa woke up the next day she became more aggrieved as there was nobody around waiting upon her. The place was obviously a hospital. But there was not even a single nurse around.