"What does it do?"
"Spiritual Essence is the foundation, and you're asking me this?"
Tamara glared, her eyes seeming to say, "I've explained this question ten times already!"
Lance realized his mistake and laughed.
He had asked without thinking—a slip of the tongue.
Since it was a Spiritual Crystal, it could naturally replace anything that required Spiritual Essence.
To power Extraordinary Equipment, replenish one's own Spiritual Essence consumption, use it as a medium to cast Art, and so on.
"How is this done?" Lance now understood the immense benefits Spiritual Crystals represented; or rather, he understood that no one could refuse them.
"Refining Spiritual Essence is a long and tedious craft. As for raw materials..." Tamara said with a strange expression, "any Extraordinary Material possessing Spiritual Essence, including people~"