C808 Comprehension overwhelms the whole field

"Master, please wait for a moment. Allow me to calculate it on the spot." Lei Nian respectfully asked for instructions.

Tie Liuhuo nodded silently, and then said: "Calm down, there's no need to rush."

Lei Nian rolled his eyes, looked at the ceiling, accompanied by his fingers, he began to mutter.

"One hour of time is enough to comprehend a top tier treasure book