"Forbidden Melting Peak surrounds the Central Volcano on the highland, true to its name, the entire mountain range is composed of rocks that are difficult to melt, acting like a dam storing water.
"If the volcano erupts, Forbidden Melting Peak will become the first barrier to hold back the devastation. It is said, this is also a part of the ancient seal."
"Seal... A man-made mountain range?" The Cruising bishop couldn't hide his surprise at his sudden realization.
"Unclear," the Sergeant shook his head.
"We are also unsure whether it was a defensive line built by ancient humankind to counter the Great Demon or Nature's own suppression of the Great Demon. The era is too far gone for us to conduct a detailed investigation under the conditions of the highland.
"What is clear, however, is that whatever the original purpose of the Black Gate Sect was, there's probably no opportunity left now, so all they can do is..."
