"The Lava Mother Stone is a Quasi-Emperor Grade material. Its grade is inferior to Fire Essence Sand, but its attributes and effects are similar to it. The Lava Mother Stone is certainly far inferior to Fire Essence Sand, and a grand array set up with it will suffer a drastic drop in power. Still, something is better than nothing!"
"I will use the Lava Mother Stone as a substitute for Fire Essence Sand for now. Once I find Fire Essence Sand in the future, it will not be too late to reset a grand array."
At this thought, Xu Chen's furrowed brows slowly smoothed out.
Chapter 460