Eternal Primordial: Tragic Soul United

He started to feel unbearable pain all over his body to the point it started to mess with his advancement. He didn't know what to do because he didn't know what his meridians was trying to do. He suddenly he began to hear a constant notification. 

"ERROR, ERROR ADVANCEMENT INTERRUPTED!" 

"ERROR, ERROR ADVANCEMENT INTERRUPTED!"

"IF YOU DO NOT SOLVE THE ISSUE YOUR FOUNDATION WITH BE DAMAGED"

It repeated that about three times and before things got too bad he heard his savior. 

Alma hurriedly responded with the solution "Father immediately circulate the main part of the bright lightning technique."

She also somehow felt the same thing his meridians felt, with her deducing capabilities she understood something important. She had a part this world origin integrated and even evolved with it. 

She now recognize a benefit of that, she can understand the commands, rules and order of this world to a certain degree. That's why she is able to clearly display his tasks among other information she passively receive. 

Alma decided she would see if she could feed certain information back in the same way she received it for a special purpose. 

While Alma was reveling in her discovery and plans Horo had did what she told him to.

He began to actively cultivate the main part of the bright lighting technique, then the notifications and pain stopped soon after. 

What he didn't know what that near crippling moment will turn out to be a blessing in disguise. 

Now that he was using the proper technique his meridians soon learned the circulation and started assisting. That one strand of spirit mana was still in his navel area not knowing if it should enter the dantian  or form a mana core. He could also see that it changed in quality as it was extremely bright letting off the color of a rainbow.

It had grew in quality as he broke through in cultivation and advanced in stages. It was still one strand, but it was no longer like a pinky sized hair. It was much thicker and longer, it would be the size of a pencil if it was outside his body. 

Soon an another funny situation happened, that strand was pulled in two directions that somehow was over lapped. Horo soon found out that the mana core and dantian is actually located directly in the same exact spot, but it's like they existed on two different dimensions. 

They actually did. If the mana core was on the three-dimensional plane located directly in the physical body and was anchored to the soul, since the soul was anchored to the body. 

Then the dantian was more on the fourth dimensional plane, as it was located in a space within the body, and had no direct connection to the soul until you formed the nascent soul in the golden core. That is why visualization techniques are used to cultivate the soul until then. 

The boost that came from advancing came from the mana exp, but all of it was filtered by his meridians instantly and made it something akin to spirit mana exp. The boost his core is suppose to receive instantly made an outline of a core that matched one from this world. 

One end of that strand was pulled towards that core and connected because the boost goes to an already established energy structure and the rules deemed that strand qualified. It wasn't fully absorbed because the quality of it was so unreasonably high it would take time to assimilate it, and the other end was being pulled into the dantian simultaneously.

His active use of the bright lightning technique was the reason for this. Forming a core through cultivation was more of an active process unlike in this world where one forms naturally, and the first step in the core formation realm was to first form a strand in the dantian. Once that strand is in the dantian it would swim in a certain direction and pull in all other strands of energy, and condense it according to the cultivation method.

When a small pool is formed from enough strands that's considered the core formation seed. There are nine smaller realms in the core formation realm and by the middle realms the core will already be completely formed sturdy and flourishing. By the ninth realm it will be condensed and purified to the max until you're ready for the tribulation to enter the golden core realm. 

He cultivated all the way until the advancement finished, by then he had a white core that should have been a mana core but is a spirit mana core, and a core seed in his dantian. They were both connected by an extremely condensed strand of beautiful spirit mana that shined bright and looked like a rainbow. 

As he wondered if that weird strand that acted like a bridge between the cores would remain, he hard a bunch of notifications come in.