By now, the Pill Poison in Xu Yi's body had finally accumulated to the point where he could no longer continue Cultivation Practice.
Even with the constant cleansing of his Meridians by water-element techniques, it was no longer effective.
After all, over the past decade, Xu Yi had been consuming around ten top-grade Qi Gathering Pills every day. Being able to persist this long was already quite an achievement.
Sensing a wave of rejection within his body, Xu Yi made the decision to return. This time, it was finally not through Soul Return.
"Snap."
His body dispersed into the heavens and earth, and all traces of him in the Minor Worlds were completely erased.
Slowly opening his eyes, he once again saw that wondrous Bubble Space.
Xu Yi immediately sensed the surging and turbulent Spiritual Power within him.
After more than ten years of accumulation, his Spiritual Power had already reached the peak of Qi Refinement Level Four. It was only the countless Pill Poison in his Meridians that had obstructed the flow of Spiritual Power and prevented any further breakthrough.
However, upon returning to the Federation, all the Pill Poison within him was purged. The decade of bitter cultivation, once reclaimed, instantly triggered the opportunity for advancement.
Xu Yi sat down cross-legged without hesitation and said, "Activate the Qi Refining Stage Spirit Gathering Array."
In the next moment, the Bubble Space filled with dense heaven and earth Spiritual Power.
Xu Yi no longer took Pills and Elixirs, because the Spiritual Power he had accumulated within him was already more than sufficient. With the external Spiritual Power replenishing continuously, breaking through the barrier of Qi Refinement Level Four was no challenge at all.
Sure enough, as the Spiritual Power gathered and surged forth, it crushed every barrier in its path instantly.
The Spiritual Power flowed through his body and subtly began to transform.
Metal begets water, water begets wood.
As Xu Yi advanced to Qi Refinement Level Five, the True Qi he circulated began to show characteristics of wood-element techniques.
Of course, this didn't mean Xu Yi could no longer use metal or water-element techniques.
As long as he wished, he could switch between the three types of techniques. But at any given time, only one type of Spiritual Power could reside within his Meridians.
However, for continued accumulation, it had to be wood-element Spiritual Power.
As the wood-element Spiritual Power flowed through his Meridians, Xu Yi could clearly feel his Meridians becoming even more resilient and strong.
If the water-element technique was one that cleansed the Meridians and removed Pill Poison, then the wood-element technique was one that nourished life and strengthened foundation.
Water and wood combined could greatly enhance a Cultivator's physical resilience.
After silently sensing it for a moment, Xu Yi let out a breath and said, "Deactivate the Spirit Gathering Array."
"Spirit Gathering Array deactivated. You have been charged 15,000 credits. Thank you for your patronage."
In the room, a mechanical voice sounded abruptly.
Xu Yi's mouth twitched slightly. Although he had known that using resources in the Bubble Space came with a fee,
the cost was still astonishingly high.
This fee was nearly twice what it would cost at school.
Fortunately, the card transferred to him by Li Yi still had enough funds.
As he swiped the card, Xu Yi felt a tinge of emotion. The system could amplify everything a hundredfold, except for Federation currency—
Perhaps this was because the Federation was too powerful, and most monetary transactions were strictly monitored. Even the system didn't dare interfere.
After swiping the card, Xu Yi successfully exited the Bubble Space.
He returned home, met his parents, and had a warm dinner.
Going to the Transcosmic Reincarnation Tower every day had one major downside—he spent too little time in the Federation and too much time in the other world.
For an ordinary student, going once every three days and staying only seven days each time likely wouldn't have much impact.
But for Xu Yi, he stayed just one day in the Federation, yet spent over 700 days in the other world.
This could cause confusion in sensory perception and disrupt self-identity. Over time, he might even begin to consider the other world as his true reality.
At this point, a strong Cultivation Level and mental fortitude were needed to suppress such effects.
The higher the Cultivation Level, the better one could maintain their sense of self and clarity of mind.
Luckily, Xu Yi had deep karmic insight and could distinguish between reality and illusion. He wouldn't have any issues in the short term.
The next day, Xu Yi arrived at school, and Li Yi immediately called him over.
Taking a look at Xu Yi, Li Yi suddenly frowned and said, "Xu Yi, what kind of Breath Suppression Technique are you cultivating?"
Xu Yi was slightly stunned and replied, "Teacher Li, is something wrong?"
According to Federation regulations, one's cultivation techniques were highly private, and even teachers had no right to inquire.
Li Yi shook her head, a trace of helplessness flashing in her eyes. "Your Breath Suppression Technique is impressive—even I can't fully see through you."
To become a teacher at a Federation high school, one had to at least be a Golden Core Stage Monk.
And for a Golden Core Stage Monk to be unable to see through a Qi Refining Stage Monk's exact realm—
That was truly shocking.
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