"You could say it's useful, or say it's not. It depends on the spirit insect master's plans!" the Void Spirit changed his previous stern demeanor and said with a full smile.
"Plans?" Han Li's gaze flickered with a hint of confusion.
"Indeed, Fellow Daoist, if you only wish to cultivate mature Gold Devouring Beetles, then this Milky Essence of Nether River would be of no further use to these insects. But if you wish to go a step further, then this Milky Essence of Nether River becomes indispensable," the old man said with deep implication.
"Go a step further?" Han Li seemed to recall something, and an expression of surprise appeared on his face.
