At first.
A single Top-grade Law Stone could last for a thousand days. Later, after his mastery and comprehension of the Law increased by ten percent, the demand and consumption rate grew tenfold, reducing its lifespan to just one hundred days.
Now.
The demand and consumption rate for Top-grade Law Stones had increased tenfold yet again.
As a result,
a single Top-grade Law Stone could only last for ten days.
'I'll continue.'
Xu Qing's expression was calm as he took out a Top-grade Law Stone.
In fact,
until now,
Xu Qing still hadn't exhausted the Energy of the first Top-grade Law Stone; it was still in use. But with this latest improvement,
a few days later,
the first Top-grade Law Stone completely ran out of Energy.
HUMMM!
As a light breeze blew past,
the Top-grade Law Stone in Xu Qing's hand, now drained of all its Energy and turned a dusty gray, dissipated with the wind, turning into a cloud of scattered ash.
This time,
