After refining the City-Building Seal, Luo Feng returned to the Quiet Room in his cave abode and cultivated with all his strength.
Although he still split off a sliver of consciousness to control the Life and Death Array and dispatched avatars into the core region to help intercept the infiltrator teams, with the Hundred Tribulations Marrow boosting his thinking speed three thousandfold, more than ninety-nine percent of Luo Feng's thoughts remained focused on cultivation.
"Life-Death Fusion..."
Luo Feng rapidly deduced and refined it in his mind.
However, as a fused Great Dao, at its current level, it was even vaster than ordinary 'Half Primal Chaos-level Daos'! To elevate and integrate them until a qualitative transformation occurred was terrifyingly difficult.
Fortunately, Luo Feng had already reached the threshold, which was why he dared to attempt a breakthrough within a single day with the aid of a treasure!
"Completely perfecting it within a day is still too difficult! If I had a few more days, I'd be confident." Luo Feng knew time was tight. He could only keep refining it at the fastest possible speed.
Suddenly—
"Luo Feng, since you refined the City-Building Seal, Rain Ripple City has lost another fifteen elders." Hall Master Yuan Xiang sounded somewhat helpless. "Rain Ripple City's defensive system is about to collapse. Your array needs to help defend the city as well."
"It's gotten this serious?" Luo Feng's heart trembled.
Although the elder teams were joining forces with one another, and although Luo Feng and the others were each intercepting infiltrator teams, the Overlimit-Level Bewitching Heart Worm and the five leader true-body teams were still continuously hunting down elder after elder.
Their spiritual killings naturally wiped out all of those elders' avatars throughout the Nine Rivers Holy World.
"We must stop the army outside! Once we