A few days later.
Imperial Capital, Martial Arts Research Institute.
The specially made alloy doors of the Exclusive Cultivation Room were tightly shut.
Lin Yuan sat cross-legged on a meditation cushion.
His eyes were slightly closed, his breathing following an exceptionally strange rhythm.
With every inhale and exhale,
the Aura of heaven and earth around him surged wildly into his body through his nose and mouth.
At the same time,
a series of teeth-grating crackling sounds continuously rang out from within Lin Yuan's body.
The sounds were dull and dense, as though an invisible iron hammer were relentlessly striking every bone in his body.
Third-Tier Martial Artist, Bone Tempering Realm.
Wrapped in True Qi, Aura burrowed deep into his bone marrow like an incurable parasite.
"Phew..."
Two hours later,
Lin Yuan exhaled a breath of turbid air and stopped circulating his cultivation technique.
He opened his eyes, his gaze clear.
Ever since arriving at the Martial Arts Research Institute in the Imperial Capital,
he no longer needed to concern himself with external defenses. His only task was to grow stronger.
Dragon Country spared no expense in providing him with the best logistical support.
High-Energy Nutrient Solution, a quiet cultivation environment—everything he could need was available.
A moment later,
just as Lin Yuan was preparing for another round of Bone Tempering,
a faint series of footsteps suddenly came from outside the cultivation room.
Lin Yuan raised an eyebrow.
Other than the staff who periodically delivered nutrient solution,
no one normally approached this area.
What was more, there was more than one set of footsteps.
One set was steady and powerful, yet made no sound upon touching the ground. Its owner was clearly a high-level martial artist.
"Beep—"
The identity verifier on the alloy door gave a soft chime.
The heavy doors