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A little over ten minutes after entering the enormous opening leading into the Earth Element Realm, Zhang Tie felt a tremendous pull. It did not come from rushing air currents, but from changes in the magnetic field within the passage. He felt as though he had stepped into a magnetic elevator. Without needing to exert any effort, his entire body was drawn in and wrapped up by that force, plunging like lightning toward the Underground World.
The key to passing through the Earth Element Realm's entrance and exit passage was to relax, so Zhang Tie did not deliberately control his body. Like drifting downstream in a boat, he let himself float through this strange passage.
In this state, even if one did not wish to relax, there was no choice—one simply could not move. Just as someone riding an elevator could not leap out of it, nothing within this passage could escape its restraints.
Not even knights could do so. This was the mysterious, vast might of heaven and earth.
On the Mountain of Light, Zhang Tie had read an article stating that even a Four-Wing Knight could not move about within this passage, let alone an ordinary Black Iron Knight.
Zhang Tie gave it a try and discovered that even his spiritual energy seemed to have frozen within this strange passage.
After trying several times and finding that it was indeed so, Zhang Tie completely gave up struggling.
No one knew why such a passage existed, just as no one knew why the celestial bodies in the universe were all round. This