Lin Mu held the jade token between two fingers and examined it carefully.
At first glance, there was almost nothing remarkable about it. It was a smooth piece of pale green jade, rectangular in shape with rounded edges and a few faint lines naturally occurring within its material.
Anyone who encountered it outside this hidden space would probably assume it was an ordinary communication token or perhaps a storage token used by cultivators to preserve written information.
There was no longer any obvious sign that it had once been connected to the strange spatial formation he had just passed through. Lin Mu rotated it slowly seeing that the intricate spatial runes that had covered its surface earlier were completely gone.
He remembered them clearly.
They had been extremely complicated, and while he had never managed to fully understand every function contained within them, he had recognized that the token had been acting as some kind of key.
