Someone once said that once the Gate of Heaven is opened, peace will come. If you find the key to the Heavenly Crown Gate, you will find a peaceful world. When Su Xia heard this legend, she just smiled lightly. ——People in wars always like to place their hopes on those illusory legends. No one has ever seen the key. How do you know that when you open it, you will find peace instead of doom? In a nutshell, the heroine's growth history.