Though this matter was extremely dangerous, Zhang Beitian remained as confident as ever.
He had already studied and investigated the matter thoroughly and come up with a rough response plan. That was why he remained so calm.
"Master Feng, you needn't worry too much about these matters. Since I chose to do this, I naturally have my reasons. Rest assured," Zhang Beitian said with a smile.
Since Zhang Beitian insisted, Fengmo Ku and Yu Wuji could not say anything more.
With steady steps, Zhang Beitian slowly walked toward the depression.
Once he arrived there, Zhang Beitian stopped and looked down.
Then Zhang Beitian activated his power, sank downward, and descended below.
In an instant, Zhang Beitian vanished from everyone's sight. Seeing this, everyone grew deeply worried.
Fengmo Ku and Yu Wuji exchanged a glance, but neither spoke. At a time like this, words were useless. They could only wait quietly.
After entering below, Zhang Beitian discovered what seemed to be an enormous space. No rocks or soil obstructed him.
Before long, he reached the bottom. It was pitch-black all around, and he could see nothing, but Zhang Beitian could sense that a treasure was down here.
He walked toward the treasure. After only a few steps, he struck something made of iron with a loud clang.
Zhang Beitian rubbed his forehead and reached out to feel ahead. It was something enormous. It felt like iron, yet not ordinary iron.
"Black iron?" Zhang Beitian frowned slightly. He had encountered this kind of metal before. Although it was completely dark and he could see nothing, he could still make out a few things through touch.
He felt around elsewhere and discovered that it was an exceptionally enormous pillar, several times larger than the pillars in front of ordinary grand halls.
"Is this