Sword and Fairy: the Peerless Sword Immortal

In a fire, the Golden Fort was destroyed, but a little boy was rescued. A jade pendant and a relationship. National feuds, family feuds, and the love of children are all in my heart. I have a sword that can kill immortals and demons. I have a sword, but it can cut through the Heavenly Gate. I have a sword that can turn the tide. Dreams come back thousands of times, just for a beautiful smile, hand in hand, the legend of the Three Realms...