As the Tower Guard Elder poured his Dou Qi into the seal, the trembling of the Heaven Burning Qi Refining Tower diminished considerably.
However, just then, the Fallen Heart Flame beneath the tower suddenly erupted.
Its impacts against the seal grew even stronger.
"Boom!"
The seal, which had been perfectly fine moments ago, now showed faint cracks.
Although those cracks continuously repaired themselves with the Tower Guard Elder's Dou Qi support,
the Tower Guard Elder's Dou Qi was now being drained at an alarming rate, like water released from a dam.
He knew he would not be able to hold on much longer.
Without hesitation, he let out a long howl.
"Great Elder, come to the Heaven Burning Qi Refining Tower at once!"
The entire Inner Academy heard that shout.
But Xiao Yang was an exception.
After choosing a villa in the Inner Academy, Xiao Yang had made some simple modifications to it.
Calling it modification was generous; he had merely inscribed a few simple Artifact Patterns.
With his current artifact-refining skills, inscribing a few simple Artifact Patterns posed no problem.
As for the energy source, he directly used Magical Cores.
After all, those Artifact Patterns did not consume much energy.
Inside the Cultivation Room, he had inscribed soundproofing and defensive Secret Runes.
As for gathering spiritual energy, he simply used Spirit Gathering Stones instead.
Thus, Xiao Yang could not hear anything outside at all.
Unless Xiao Yi Xian and the others specifically came to call him.
Although this defensive Secret Rune was not particularly powerful, it could still withstand the attacks of some Da Dou Shi.
Its main purpose was to prevent people from accidentally intruding.
If the defense were broken, the people inside the Cultivation Room would know, giving them time to prepare.
Xiao Yi Xian knew Xiao