There are also safes in the world of cultivation.

In addition to the interdimensional space, the gold and fire iron box is also the most common item for saving. Without the specially marked "key", no matter how high your personal ability is, there is no way to open the treasure box. Even the spiritual mind cannot get inside. What's worse, forcibly opening the safe only destroys it—what a detrimental way of saving?

White Fairy has got two keys to her ...