The Strongest Shopkeeper in All Worlds

Some people call me the Sword Sharpener, some people respect me as King Xuan, and some people respect me as the City Lord! Because, I own a vast and boundless castle, which is Xuancheng. It can span thousands of worlds. Everything in it is difficult to change, and it is a mystery in my heart. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.