Chapter 616
The first part of the operation required to make space for the new nervous tissue without harming the patient . Lith had no experience in the field and the brain was too sensitive an organ for a rookie .
Vastor took the lead, removing what he could and using Body Sculpting to slightly alter Zinya's skull to create more room whenever he had no other choice . The changes were so subtle that only a detailed diagnostic spell like Scanner could detect them .
When he was done, he stepped out and made space for Lith .
"Remember, the best approach is always to go from easy to hard . Start by creating the optic nerve from the eye end and leave the connection with the thalamus for last . That way, we can immediately check if the brain receives the right stimuli .
"If we worked the other way around and make even just a few mistakes, the sudden massive flow of wrong inputs might cause permanent damage . Plus, we would need to destroy all the connections and redo everything from scratch, since we would have no idea what went wrong . " Vastor said .
Lith did as instructed and created the optic nerve, the chiasma, and the optic trait . Then, he used his Probe spell to create small tendrils of semi solid mana that stimulated Zinya's visual cortex following Kamila's optic nerve pattern .
The tendrils would carry the electrical impulses that light generated by hitting Zinya's eyes and allow Lith to check how the brain processed the acquired information . That way Lith could make sure that the impulses would travel through the right pathway before making a physical connection .
"Zinya, I need you to keep talking during the entire procedure . I don't care what you say, I just need to check your cognitive functions and your mood . If you feel anything weird, just tell me . Don't hold anything . " Lith said .
Zinya nodded and started to recount whatever she remembered from her youth . As long as everything was okay after testing with Probe, Lith would grow the optic nerve, yet more than once he was forced to stop and backtrack .
Sometimes the electrical impulses would cause her small spasms . Other times fits of pain or uncontrollable mood changes . Every time that happened, Lith had to quickly disconnect the tendrils and search for another point of access to her brain .
Luckily, the more the procedure progressed on the right track, the more Zinya regained her sight . It gave Lith a clear indicator of his progress and gave Zinya something useful to talk about .
At the beginning she could only see a white light, but every time Lith found a proper pathway she would start to see small dots of colors appear .
"Dammit, Lith . Your Probe spell is amazing . It saved us a lot of mana and the patient a lot of pain . " Vastor said . Even with his expertise, he would have missed the right connection more than once .
Yet his help proved to be invaluable for Lith . Whenever he had no idea how to proceed, it would take the Professor just a couple of tries to find the right pathway among hundreds of seemingly identical alternatives .
"You are doing great, son . I'm really proud of you . "
Lith nodded, not having the luxury of wasting his focus to reply . What Vastor had no idea of, was that to be able to carry a physical stimulus, Probe required a great expenditure of mana .
It was one of the reasons Lith couldn't hold it for long back when he had used Probe for the first time on Zinya . Such a huge amount of energy would have burned her brain and left him weakened in a matter of minutes .
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