After hearing the gray-robed man's words, Xiao Yao stepped forward and picked up the Earth Core Jade Mother from the ground. Looking at the half-zhang-tall jade stone, he sensed what seemed to be liquid in his palm. He then set it back down and looked at the faint, viscous jade fluid coating his hand before saying gravely:
"Could this be the Earth Core Soul Marrow hidden within the Earth Core Jade Mother? The Earth Core Jade Mother was already exceedingly rare. With the Earth Core Soul Marrow inside it, this medicinal ingredient is even more precious—its value is beyond measure."
The gray-robed man on the right looked at the other one and chuckled softly. "Old fellow, did you hear that? This kid is worth taking a risk for. This thing is of little use to us anyway. Increasing soul strength does not benefit people like us much, so we might as well let this boy have it."
"Fine. Since you know the name of this medicinal ingredient, I assume you know its effects as well. Take it. I'll give you these two supplementary ingredients too. They are your payment for refining pills for us in the future."
As soon as he finished speaking, the gray-robed man on the left lightly shook his sleeve, and another jade box and a green stone appeared on the ground.
Xiao Yao carefully examined the two medicinal ingredients on the ground, then muttered, "Pill Spirit Pulp and Heavenly Hemp Jade Stone Essence... aren't these the three materials needed to refine Earth Core Soul Marrow?"
The gray-robed man on the left smiled. "Yes. With the Fallen Heart Flame in your possession, you can refine these medicinal ingredients. Whether you can successfully concoct it will depend on your future growth. With the help of that medicinal ingredient,