The first stage: cardiac vitality.
Restore the heart first, then let it drive the blood circulating throughout his body, purifying all of Kagaya Ubuyashiki's blood and using it to carry Fighting Spirit into every part of him.
The main purpose of this step was to purify all of Kagaya Ubuyashiki's blood first.
The second stage: treating the internal organs.
Let the Fighting Spirit in his blood enter his internal organs, first halting the deterioration of his condition, bringing it under control, and restoring his organs to a state where they could function normally.
The third stage: awakening the Demon Slayer Mark!
Once his body briefly regained its basic vitality, make Kagaya Ubuyashiki's body transform again, entering the Demon Slayer Mark state and strengthening his physique.
That would essentially allow him to hold on for much longer.
Then, once Su Chen found a way to treat the shortened lifespan caused by the Demon Slayer Mark, he would address Kagaya Ubuyashiki's remaining problems.
That was the plan.
Today, Su Chen had to complete all three of those stages. In other words, Kagaya Ubuyashiki's Demon Slayer Mark had to awaken today.
Otherwise, everything done beforehand would be wasted effort.
This was an extremely difficult task, and a severe test of Kagaya Ubuyashiki's willpower.
Because the moment he let his guard down, every cell in his body would collapse, overwhelmed by Fighting Spirit in an instant!
What Su Chen had to do was circulate Fighting Spirit throughout his body as quickly as possible, within the utmost limits of what Kagaya Ubuyashiki's willpower could bear!
"Let's begin."
The boy closed his eyes and began increasing the rate at which he channeled Fighting Spirit through his hands.
Then he let the Fighting Spirit flow from Ubuyashiki's heart to every part of his body.
"Hmm?"
Inside the