It was similar to thalassophobia.
Going deep underground, that kind of dark, bottomless environment was not something ordinary people could endure.
Even with Li Qinglian's strong mental fortitude, without the Pure Heart Eyes, he definitely would not have been able to stay for long.
Every living creature was born with a fear of the unknown.
But the Pure Heart Eyes allowed Li Qinglian to clearly observe the environment within ten meters around him as he descended, ensuring that he was not left in complete darkness.
"The flow of those two clusters of energy I sensed should be the Dragon Souls of the Ice Dragon King and Fire Dragon King."
"These two Dragon Souls had already formed during the era of The Legend of the Dragon King. That was twenty thousand years ago..."
Li Qinglian thought to himself as he swam back.
It seemed Gu Yuena truly had not lied to him.
Then the Dragon Marrow truly existed as well.
Every drop of blood in Li Qinglian's body surged with excitement.
If he absorbed this Dragon Marrow, he dared guarantee that his body would evolve directly!
By then, the weaknesses of his physical body could be significantly improved.
Although he was human, he was still different from ordinary humans.
For example, he could evolve the age of his Soul Rings by absorbing energy!
If he absorbed the Dragon Marrow of such Dragon Kings, then his body would probably be no different from that of a soul beast.
As for the other benefits, Li Qinglian had not absorbed it yet, so he did not know for the time being.
But this alone was enough to make Li Qinglian risk his life!
The frailty of the human body was simply a fatal weakness.
If he did not resolve this flaw, then when he