Jiu Han could not be blamed for being anxious.
After all, the impromptu knowledge of formations that Lu Ming casually mentioned was too crucial.
Jiu Han's original intention in posing the question was to examine and verify Lu Ming's proficiency in array formations.
Unintentionally, he brought up a difficult point of the purification grand array as a question.
And Lu Ming's subsequent words enlightened Jiu Han, sparking an excitement that he could not contain, making him eager to enter work mode.
—Speaking of which, more than 10 days ago, after Lord Deun gave them that crystal, Jiu Han and the others immediately began researching the purification array formation.
After more than 10 days, however, this array formation still did not take shape—despite harnessing the power of nearly half of the array formation experts in the Black Mist Zone, they still could not figure out the details of this array formation.
