When Hao Ren had previously gathered basic information about the Dragon Empire, he had heard the name Changfeng Mountain Range. It was a very short mountain range located in the empire's southern territory, near Black Pine Forest and Cliff Sea. Cliff Sea was a narrow stretch of ocean connected to the "World Rift" and also served as the empire's natural border. Changfeng Mountain Range began at the coast of Cliff Sea, extended a hundred kilometers inland, and gradually leveled out into part of the southern hills.
This very short mountain range was unremarkable within the empire, but it was fairly famous because it was one of the most prominent dividing lines of Black Pine Forest. The southern side of the range was a vast, fertile, and densely populated region, while the northern side was the seemingly endless Black Pine Forest. The enormous trees with their extraordinary vitality spread all the way to the middle of the northern foothills of Changfeng Mountain Range, then abruptly stopped at a boundary known as "Razor's Edge Line."
The elves who were fascinated by the mysteries of Black Pine Forest were curious about this, so they mined some stones from the northern side of Changfeng Mountain Range for study. They discovered that the stones possessed a wondrous power capable of disrupting the life cycle of Black Pine Forest. Thus, they carved runes into the stones and made them into special Rune Stone Bricks. The Rune Stone Bricks embedded in Greenway's Green Forest Barrier had come from this very process.
But that had already happened hundreds of years ago.
Because the elves had mined huge quantities of rock to make the runes, combined with Black Pine Forest's own instability, Razor's Edge Line in Changfeng Mountain Range had shifted twice on a relatively large scale over the