In the far distance of the ring world stands a gray-white marginal ice wall.
Lin Mo, an apprentice from the Surveying and Mapping Guild, received a relic left by his mentor after his disappearance, an old copper ruler full of unfamiliar scales.
The moment you touch the artifact, the vision quietly awakens. His fingertips gradually turned into tissue paper, and every time he activated the unknown power, it would leave permanent irreparable damage.
Maps have been tampered with, and reality is constantly being revised by forces behind the scenes.
Hidden extraordinary paths, secret sects lurking everywhere, ancient creatures sleeping under the deep sea, and observers suspended in the sky, quietly overlooking the world.
One after another, secrets surface.
In order to find out the secret behind the disappearance of his mentor, Lin Mo held a copper ruler and walked on this land that was constantly being rewritten.
As he mapped the true contours of the world bit by bit, a shocking and grand secret slowly revealed itself.
