After Qi Dao condensed his soul core, he and Qian Daoliu left the Core Circle of the Extreme North.
However, Qi Dao had no intention of returning to Heaven Dou City right away. Instead, he stopped in a northern city of the Heaven Dou Empire called Dragon City.
Situated near the Extreme North, it was nowhere near as prosperous or bustling as the cities in the empire's heartland. Ten thousand years later, however, it would become the Heaven Dou Empire's northern stronghold.
Qi Dao had come here mainly for a hidden realm within Dragon City that contained ten-thousand-year profound ice marrow and ice extreme divine crystal.
Unfortunately, Qi Dao did not know the hidden realm's exact location. He only remembered that it lay beneath a cold spring.
To find it, he would have to stay in Dragon City for a while.
As long as the hidden realm was somewhere within Dragon City, he would find it eventually with enough effort.
He was determined to obtain both the ten-thousand-year profound ice marrow and the ice extreme divine crystal.
After learning that Qi Dao intended to stay in Dragon City for a while, Qian Daoliu left him with a few words of advice and returned to Spirit Hall alone.
With Qi Dao's strength, there was no need to worry about him.
Qian Daoliu had already grasped most of the principles behind soul cores and was now ready to return and condense his own.
Besides explaining how to condense a single soul core, Qi Dao had also told him what he knew about the principles of condensing dual soul cores.
There were two main methods for condensing dual soul cores.
The first was naturally the yin-yang complementary soul core that Qi Dao wanted to form. It required the second soul core to operate