Yang Dingtian also realized that something was wrong and hurriedly withdrew his power.
The two of them retreated, their faces filled with horror as they stared at the wooden box that was still frantically devouring energy.
"Damn, what the hell is this thing? Isn't it way too abnormal?" Yang Dingtian couldn't help blurting out a curse.
"This formation can not only defend itself, but also actively absorb energy from outside to replenish its own expenditure."
Yang Lingtian stared at the vortex of energy, his eyes also filled with shock.
"This is practically an unbreakable tortoise shell!"
"Looks like forcing it open is impossible." Yang Lingtian sighed, a trace of helplessness appearing on his face.
"We can only wait until later, study the formation on it carefully, find its weakness, and then think of a way."
As he spoke, he prepared to step forward and put away the wooden box.
However, right at that moment.
Several incomparably powerful auras from the Divine Lord Realm had already rapidly closed in on the courtyard where they were from all directions!
"Damn it, we've still been discovered!"
Yang Lingtian and Yang Dingtian's expressions changed at the same time.
"Whoosh! Whoosh! Whoosh!"
Several streaks of light arrived in an instant, hovering above the "Heavenly Character" guest courtyard.
Leading them was the Lu family's Mansion Lord, Lu Tian.
Behind him, Liu Yan and the Lu family's six Great Elders had also all arrived.
Every one of them stared in shock at the nearly tangible vortex of energy below.
"Oh heavens, what... what a terrifying energy fluctuation!"
This... what's going on? Could we be under attack?"
The hot-tempered Fourth Elder felt the violent energy and spoke with a solemn expression.
"Doesn't look like it." Lu Tian shook his head.
His sharp eyes were fixed on the center